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MULTIPLE CHOICE Choose the one alternative that best completes the statement or answers the question. 10 Parking at a large university has become a very big problem University administrators are interested in. determining the average parking time e g the time it takes a student to find a parking spot of its students An. administrator inconspicuously followed 120 students and carefully recorded their parking times Identify the. population of interest to the university administration. A the parking times of the entire set of students that park at the university. B the parking times of the 120 students from whom the data were collected. C the entire set of faculty staff and students that park at the university. D the students that park at the university between 9 and 10 AM on Wednesdays. 11 A manufacturer of cellular phones has decided that an assembly line is operating satisfactorily if less than 0 0. 5 of the phones produced per day are defective To check the quality of a day s production the company. decides to randomly sample 10 phones from a day s production to test for defects Define the population of. interest to the manufacturer, A all the phones produced during the day in question. B the 10 phones sampled and tested,C the 10 responses defective or not defective. D the 0 05 of the phones that are defective, 12 A recent study attempted to estimate the proportion of Florida residents who were willing to spend more tax. dollars on protecting the Florida beaches from environmental disasters Forty two hundred Florida residents. were surveyed Which of the following is the population used in the study. A all Florida residents,B the 4200 Florida residents surveyed. C the Florida residents who were willing to spend more tax dollars on protecting the beaches from. environmental disasters, D all Florida residents who lived along the beaches.
13 Parking at a large university has become a very big problem University administrators are interested in. determining the average parking time e g the time it takes a student to find a parking spot of its students An. administrator inconspicuously followed 180 students and carefully recorded their parking times Identify the. sample of interest to the university administration. A parking times of the 180 students B parking time of a student. C location of the parking spot D type of car import or domestic. 14 The legal profession conducted a study to determine the percentage of cardiologists who had been sued for. malpractice in the last three years The sample was randomly chosen from a national directory of doctors. Identify the individuals in the study,A each cardiologist selected from the directory. B the responses have been sued have not been sued for malpractice in the last three years. C the doctor s area of expertise i e cardiology pediatrics etc. D all cardiologists in the directory, SHORT ANSWER Write the word or phrase that best completes each statement or answers the question. 15 Administrators at a large university want to know the average debt incurred by their graduates Surveys were. mailed to 150 graduating seniors asking them to report their total student loan debt Identify the population. sample and individuals in the study, 16 A study was conducted to determine if listening to heavy metal music affects critical thinking To test the claim. 124 subjects were randomly assigned to two groups Both groups were administered a basic math skills exam. The first group took the exam while heavy metal music was piped into the exam room while the second group. took the exam in a silent room The mean exam score for the first group was 76 and the mean exam score for. the second group was 83 The researchers concluded that heavy metal music negatively affects critical thinking. Identify a the research objective b the sample c the descriptive statistics and d the conclusions made in. 17 A telephone poll asked 1422 registered voters Would you vote for the current vice president if he ran for. president Of these 1422 respondents 35 would vote for the current vice president if he ran for president. The administrators of the study concluded that 35 of all registered voters would vote for the current vice. president if he ran for president Identify a the research objective b the sample c the descriptive statistics. and d the conclusions made in the study, MULTIPLE CHOICE Choose the one alternative that best completes the statement or answers the question. 18 Which branch of statistics deals with the organization and summarization of collected information. A Descriptive statistics B Inferential statistics,C Survey design D Computational statistics.
3 Distinguish between qualitative and quantitative variables. MULTIPLE CHOICE Choose the one alternative that best completes the statement or answers the question. Classify the variable as qualitative or quantitative. 1 the colors of book covers on a bookshelf,A qualitative B quantitative. 2 the number of calls received at a company s help desk. A quantitative B qualitative,3 the number of seats in a school auditorium. A quantitative B qualitative, 4 the numbers on the shirts of a boy s football team. A qualitative B quantitative, 5 the bank account numbers of the students in a class. A qualitative B quantitative, 6 the weights of cases loaded onto an airport conveyor belt.
A quantitative B qualitative, 7 the temperatures of cups of coffee served at a restaurant. A quantitative B qualitative, 8 the native languages of students in an English class. A qualitative B quantitative,Solve the problem, 9 A bicycle manufacturer produces four different bicycle models Information is summarized in the table below. Model Series Number Weight Style,Ascension A120 33 Mountain. Road Runner B640 21 Road,All Terrain C300 27 Hybrid.
Class Above D90 17 Racing, Identify the variables and determine whether each variable is quantitative or qualitative. A series number qualitative weight quantitative style qualitative. B series number quantitative weight quantitative style qualitative. C series number quantitative weight qualitative style qualitative. D series number qualitative weight qualitative style qualitative. 10 An international relations professor is supervising four master s students Information about the students is. summarized in the table,Student Name Student Number Area of Interest GPA. Anna 914589205 Africa 3 63,Pierre 981672635 Middle East 3 30. Juan 906539012 Latin America 3 16,Yoko 977530271 Asia 3 68. Identify the variables and determine whether each variable is quantitative or qualitative. A student number qualitative area of interest qualitative GPA quantitative. B student number quantitative area of interest qualitative GPA quantitative. C student number quantitative area of interest qualitative GPA qualitative. D student number qualitative area of interest qualitative GPA qualitative. Provide an appropriate response, 11 Quantitative variables classify individuals in a sample according to.
A numerical measure B physical attribute,C personality characteristic D exhibited trait. 4 Distinguish between discrete and continuous variables. MULTIPLE CHOICE Choose the one alternative that best completes the statement or answers the question. Determine whether the quantitative variable is discrete or continuous. 1 the number of bottles of juice sold in a cafeteria during lunch. A discrete B continuous,2 the weight of a player on the wrestling team. A continuous B discrete, 3 the cholesterol levels of a group of adults the day after Thanksgiving. A continuous B discrete, 4 the low temperature in degrees Fahrenheit on January 1st in Cheyenne Wyoming. A continuous B discrete,5 the number of goals scored in a hockey game.
A discrete B continuous, 6 the speed of a car on a Boston tollway during rush hour traffic. A continuous B discrete, 7 the number of phone calls to the police department on any given day. A discrete B continuous, 8 the age of the oldest employee in the data processing department. A continuous B discrete,9 the number of pills in an aspirin bottle. A discrete B continuous,Provide an appropriate response.
10 The peak shopping time at a pet store is between 8 11 00 am on Saturday mornings Management at the pet. store randomly selected 65 customers last Saturday morning and decided to observe their shopping habits. They recorded the number of items that a sample of the customers purchased as well as the total time the. customers spent in the store Identify the types of variables recorded by the pet store. A number of items discrete total time continuous, B number of items continuous total time continuous. C number of items continuous total time discrete,D number of items discrete total time discrete. 11 The number of violent crimes committed in a city on a given day in a random sample of 110 days is a. random variable,A discrete B continuous, 12 Classify the following random variable telephone area codes. A qualitative data B experimental data, C quantitative continuous data D quantitative discrete data. 13 A student is asked to rate a guest speaker s ability to communicate on a scale of poor average good excellent. The student is to fill in a corresponding circle on a bubble form This is an example of collecting what type of. A qualitative B continuous C discrete D insightful. 5 Determine the level of measurement of a variable. MULTIPLE CHOICE Choose the one alternative that best completes the statement or answers the question. Determine the level of measurement of the variable. 1 the musical instrument played by a music student. A nominal B ratio C ordinal D interval, 2 the medal received gold silver bronze by an Olympic gymnast.
A ordinal B ratio C nominal D interval,3 height of a tree. A ratio B interval C nominal D ordinal,4 the native language of a tourist. A nominal B ratio C ordinal D interval,5 the day of the month. A interval B ratio C nominal D ordinal,6 an officer s rank in the military. A ordinal B ratio C nominal D interval,7 weight of rice bought by a customer.
A ratio B interval C nominal D ordinal,8 a student s favorite sport. A nominal B ratio C ordinal D interval, 9 ranking first place second place etc of contestants in a singing competition. A ordinal B ratio C nominal D interval,10 capacity of a backpack. A ratio B interval C nominal D ordinal, 11 an evaluation received by a physics student excellent good satisfactory or poor. A ordinal B ratio C nominal D interval,12 the year of manufacture of a car.
A interval B ratio C nominal D ordinal,13 time spent playing basketball. A ratio B interval C nominal D ordinal,14 category of storm gale hurricane etc. A ordinal B ratio C nominal D interval, 1 2 Observational Studies versus Designed Experiments. 1 Distinguish between an observational study and an experiment. MULTIPLE CHOICE Choose the one alternative that best completes the statement or answers the question. Determine whether the study depicts an observational study or an experiment. 1 A medical researcher obtains a sample of adults suffering from diabetes She randomly assigns 95 people to a. treatment group and 95 to a placebo group The treatment group receives a medication over a period of three. months and the placebo group receives a placebo over the same time frame At the end of three months the. patients symptoms are evaluated,A experiment B observational study. 2 A poll is conducted in which professional musicians are asked their ages. A observational study B experiment, 3 A pollster obtains a sample of students and asks them how they will vote on an upcoming referendum.
A observational study B experiment, 4 The personnel director at a large company would like to determine whether the company cafeteria is widely. used by employees She calls each employee and asks them whether they usually bring their own lunch eat at. the company cafeteria or go out for lunch,A observational study B experiment. 5 A scientist was studying the effects of a new fertilizer on crop yield She randomly assigned half of the plots on. a farm to group one and the remaining plots to group two On the plots in group one the new fertilizer was. used for a year On the plots in group two the old fertilizer was used At the end of the year the average crop. yield for the plots in group one was compared with the average crop yield for the plots in group two. A experiment B observational study, 6 A researcher obtained a random sample of 100 smokers and a random sample of 100 nonsmokers After. interviewing all 200 participants in the study the researcher compared the rate of depression among the. smokers with the rate of depression among nonsmokers. A observational study B experiment,Provide an appropriate response. 7 True or False Observational studies are not as useful as experiments to learn about the characteristics of a. population,A False B True, 8 True or False Experiments assist the researcher in isolating the causes of the relationships that exist between.
two variables,A True B False, 2 Explain the various types of observational studies. MULTIPLE CHOICE Choose the one alternative that best completes the statement or answers the question. Determine what type of observational study is described Explain. 1 Researchers wanted to determine whether there was an association between high blood pressure and the. suppression of emotions The researchers looked at 1800 adults enrolled in a Health Initiative Observational. Study Each person was interviewed and asked about their response to emotions In particular they were asked. whether their tendency was to express or to hold in anger and other emotions The degree of suppression of. emotions was rated on a scale of 1 to 10 Each person s blood pressure was also measured The researchers. analyzed the results to determine whether there was an association between high blood pressure and the. suppression of emotions, A cross sectional Information is collected at a specific point in time. B cohort Individuals are observed over a long period of time. C retrospective Individuals are asked to look back in time. 2 Researchers wanted to determine whether there was an association between city driving and stomach ulcers. They selected a sample of 900 young adults and followed them for a twenty year period At the start of the. study none of the participants was suffering from a stomach ulcer Each person kept track of the number of. hours per week they spent driving in city traffic At the end of the study each participant underwent tests to. determine whether they were suffering from a stomach ulcer The researchers analyzed the results to. determine whether there was an association between city driving and stomach ulcers. A cohort Individuals are observed over a long period of time. B cross sectional Information is collected at a specific point in time. C retrospective Individuals are asked to look back in time. 3 A researcher wanted to determine whether women with children are more likely to develop anxiety disorders. than women without children She selected a sample of 900 twenty year old women and followed them for a. twenty year period At the start of the study none of the women had children By the end of the study 53 of. the women had at least one child The level of anxiety of each participant was evaluated at the beginning and. at the end of the study and the increase or decrease in anxiety was recorded The researchers analyzed the. results to determine whether there was an association between anxiety and having children. A cohort Individuals are observed over a long period of time. B cross sectional Information is collected at a specific point in time. C retrospective Individuals are asked to look back in time. 4 Vitamin D is important for the metabolism of calcium and exposure to sunshine is an important source of. vitamin D A researcher wanted to determine whether osteoperosis was associated with a lack of exposure to. sunshine He selected a sample of 250 women with osteoperosis and an equal number of women without. osteoperosis The two groups were matched in other words they were similar in terms of age diet. occupation and exercise levels Histories on exposure to sunshine over the previous twenty years were. obtained for all women The total number of hours that each woman had been exposed to sunshine in the. previous twenty years was estimated The amount of exposure to sunshine was compared for the two groups. A retrospective Individuals are asked to look back in time. B cross sectional Information is collected at a specific point in time. C cohort Individuals are observed over a long period of time. 5 Can money buy happiness A researcher wanted to determine whether there was any association between. economic status and happiness She selected a sample of 1000 adults and interviewed them Each person was. asked about their financial situation and their level of happiness was evaluated The researcher analyzed the. results to determine whether there was an association between economic status and happiness. A cross sectional Information is collected at a specific point in time. B cohort Individuals are observed over a long period of time. C retrospective Individuals are asked to look back in time. 6 A researcher wanted to determine whether colon cancer was associated with eating meat He selected a sample. of 500 men with colon cancer and an equal number of men without colon cancer The two groups were. matched in other words they were similar in terms of age occupation income and exercise levels Histories. on the amount of meat consumed over the previous twenty years were obtained for all men The total amount. of meat that each man eaten in the previous twenty years was estimated The meat consumption was compared. for the two groups, A retrospective Individuals are asked to look back in time. B cross sectional Information is collected at a specific point in time. C cohort Individuals are observed over a long period of time. 1 3 Simple Random Sampling,1 Obtain a simple random sample. MULTIPLE CHOICE Choose the one alternative that best completes the statement or answers the question. Provide an appropriate response, 1 The government of a town needs to determine if the city s residents will support the construction of a new.
town hall The government decides to conduct a survey of a sample of the city s residents Which one of the. following procedures would be most appropriate for obtaining a sample of the town s residents. A Survey a random sample of persons within each geographic region of the city. B Survey a random sample of employees at the old city hall. C Survey every 7th person who walks into city hall on a given day. D Survey the first 300 people listed in the town s telephone directory. 2 The city council of a small town needs to determine if the town s residents will support the building of a new. library The council decides to conduct a survey of a sample of the town s residents Which one of the following. procedures would be most appropriate for obtaining a sample of the town s residents. A Survey a random sample of persons within each neighborhood of the town. B Survey a random sample of librarians who live in the town. C Survey 500 individuals who are randomly selected from a list of all people living in the state in which the. town is located, D Survey every 7th person who enters the old library on a given day. 3 The policy committee at State University has 6 members LaToyna Ming Jose John Prof Rise and. Dr Hernandez A subcommittee of two members must be formed to investigate the visitation policy in the. dormitories List all possible simple random samples of size 2. A LaToyna and Ming LaToyna and Jose LaToyna and John LaToyna and Prof Rise LaToyna and. Dr Hernandez Ming and Jose Ming and John Ming and Prof Rise Ming and Dr Hernandez Jose and. John Jose and Prof Rise Jose and Dr Hernandez John and Prof Rise John and Dr Hernandez. Prof Rise and Dr Hernandez, B LaToyna and Ming Jose and John Prof Rise and Dr Hernandez. C LaToyna and Ming Ming and Jose Jose and John John and Prof Rise Prof Rise and Dr Hernandez. D LaToyna and Ming LaToyna and Jose LaToyna and John LaToyna and Prof Rise LaToyna and. Dr Hernandez, 4 Select a random sample of five state capitals from the list below using the two digit list of random numbers. provided Begin with the uppermost left random number and proceed down each column When a column is. complete use the numbers at the top of the next right column and proceed down that column. State Capitals, A Springfield IL Atlanta GA Providence RI Santa Fe NM Columbus OH. B Springfield IL Des Moines IA Boston MA Santa Fe NM Columbus OH. C Carson City NV Boise ID Atlanta GA Cheyenne WY Boston MA. D Boston MA Concord NH Dover DE Santa Fe NM Richmond VA. 5 The top 38 cities in Wisconsin as determined by population are given below Select a random sample of four. cities from the list below using the two digit list of random numbers provided Begin with the uppermost left. random number and proceed down each column When a column is complete use the numbers at the top of. the next right column and proceed down that column Information was obtained from the web site. http www citypopulation de USA Wisconsin html,Wisconsin Cities by Population.
A Manitowoc La Crosse Franklin Oshkosh,B Manitowoc Appleton Greenfield Fond du Lac. C Milwaukee Madison Green Bay Kenosha,D Milwaukee Eau Claire New Berlin West Bend. 1 4 Other Effective Sampling Methods, 1 Obtain stratified systematic and cluster samples. MULTIPLE CHOICE Choose the one alternative that best completes the statement or answers the question. Identify the type of sampling used, 1 Thirty five math majors 29 music majors and 26 history majors are randomly selected from 585 math majors. 279 music majors and 393 history majors at the state university What sampling technique is used. A stratified,B simple random,D convenience,E systematic.
2 Every fifth adult entering an airport is checked for extra security screening What sampling technique is used. A systematic,B simple random,D convenience,E stratified. 3 At a local technical school five auto repair classes are randomly selected and all of the students from each class. are interviewed What sampling technique is used,B simple random. C convenience,D systematic,E stratified, 4 A writer for an art magazine randomly selects and interviews fifty male and fifty female artists What sampling. technique is used,A stratified,B simple random,D convenience. E systematic, 5 A travel industry researcher interviews all of the passengers on five randomly selected cruises What sampling.
technique is used,B simple random,C convenience,D systematic. E stratified, 6 A statistics student interviews everyone in his apartment building to determine who owns a cell phone What. sampling technique is used,A convenience,B simple random. D systematic,E stratified, 7 A lobbyist for the oil industry assigns a number to each senator and then uses a computer to randomly. generate ten numbers The lobbyist contacts the senators corresponding to these numbers What sampling. technique was used,A simple random,B convenience,D stratified.
E systematic, 8 Based on 9000 responses from 26 500 questionnaires sent to all its members a major medical association. estimated that the annual salary of its members was 99 000 per year What sampling technique was used. A simple random,B stratified,D convenience,E systematic. 9 In a recent online survey participants were asked to answer yes or no to the question Are you in favor of. stricter gun control 6571 responded yes while 4137 responded no There was a fifty cent charge for the. call What sampling technique was used,A convenience. B simple random,D stratified,E systematic, 10 A sample consists of every 30th worker from a group of 1000 workers What sampling technique was used. A systematic,B simple random,D stratified,E convenience.
11 A market researcher randomly selects 100 homeowners under 60 years of age and 200 homeowners over 60. years of age What sampling technique was used,A stratified. B simple random,D convenience,E systematic, 12 To avoid working late the plant foreman inspects the first 40 microwaves produced that day What sampling. technique was used,A convenience,B simple random,D stratified. E systematic, 13 The names of 30 employees are written on 30 cards The cards are placed in a bag and three names are picked. from the bag What sampling technique was used,A simple random.
B stratified,D convenience,E systematic, 14 An education researcher randomly selects 60 of the nation s junior colleges and interviews all of the professors. at each school What sampling technique was used,B simple random. C stratified,D convenience,E systematic,Provide an appropriate response. 15 The United States can be divided into four geographical regions Northeast South Midwest and West The. Northeast region consists of 9 states the South region consists of 16 states the Midwest consists of 12 states. and the West consists of 13 states If a survey is to be administered to the governors of 10 of the states and we. want equal representation for the states in each of the four regions how many states from the South should be. selected Round to the nearest whole state,A 3 B 4 C 2 D 5. 1 5 Bias in Sampling,1 Explain the sources of bias in sampling.
SHORT ANSWER Write the word or phrase that best completes each statement or answers the question. Provide an appropriate response, 1 An online newspaper conducted a survey by asking Do you support the lowering of air quality standards if it. could cause the death of millions of innocent people from pollution related diseases Determine the type of. 2 A local hardware store wants to know if its customers are satisfied with the customer service they receive The. store posts an interviewer at the front of the store to ask the first 100 shoppers who leave the store How. satisfied on a scale of 1 to 10 were you with this store s customer service Determine the type of bias. 3 Before opening a new dealership an auto manufacturer wants to gather information about car ownership and. driving habits of the local residents The marketing manager of the company randomly selects 1000 households. from all households in the area and mails a questionnaire to them Of the 1000 surveys mailed she receives 100. back Determine the type of bias, MULTIPLE CHOICE Choose the one alternative that best completes the statement or answers the question. 4 Which type of bias occurs because we do not obtain complete information about a population. A sampling bias B response bias C nonresponse bias D no bias. 5 A researcher wants to study the effects of advertising by female models upon high school boys in small. Midwestern towns The research methodology calls for selecting several small Midwestern towns that have. high schools What is the frame for this study, A all high school boys from small Midwestern towns. B all students attending high school from small Midwestern towns. C high school boys from the small Midwestern towns selected. D high school students from the small Midwestern towns selected. 6 Multiple choice questions on a test that include as one of the choices none of the above are an example of. what type of question,A closed question B open question. C framing question D reader response question,1 6 The Design of Experiments.
1 Describe the characteristics of an experiment, SHORT ANSWER Write the word or phrase that best completes each statement or answers the question. Provide an appropriate response,1 What is a designed experiment. MULTIPLE CHOICE Choose the one alternative that best completes the statement or answers the question. 2 The variable measured in the experiment is called. A the response variable B a sampling unit,C the treatment D the predictor variable. 3 The object upon which the response variable is measured is called. A an experimental unit B the factor,C the predictor variable D a treatment. 4 is a condition applied to the experimental units involved in an experiment. A A treatment B The sampling design,C The factor level D The design.
5 An experiment in which the experimental unit or subject does not know which treatment he or she is. receiving is called a, A single blind experiment B double blind experiment. C randomized block design D matched pairs design, 6 An experiment in which neither the experimental unit nor the researcher in contact with the experimental unit. knows which treatment the experimental unit is receiving is called a. A double blind experiment B single blind experiment. C randomized block design D matched pairs design,2 Explain the steps in designing an experiment. MULTIPLE CHOICE Choose the one alternative that best completes the statement or answers the question. Provide an appropriate response, 1 A salesman boasts to a farmer that his new fertilizer will increase the yield of the farmer s crops by 15 The. farmer wishes to test the effects of the new fertilizer on her corn yield She has four equal sized plots of land. one with sandy soil one with rocky soil one with clay rich soil and one with average soil She divides each. of the four plots into three equal sized portions and randomly labels them A B and C The four A portions are. treated with her old fertilizer The four B portions are treated with the new fertilizer The four C portions. receive no fertilizer At harvest time the corn yield is recorded for each section of land What is the claim she. is testing, A The new fertilizer yielded at least a 15 improvement.
B The total yield increased at least 15, C The A sections had at least a 15 increase in yield. D The average soil field had at least a 15 increase in yield. SHORT ANSWER Write the word or phrase that best completes each statement or answers the question. 2 What is a factor, MULTIPLE CHOICE Choose the one alternative that best completes the statement or answers the question. 3 Which of the following is not true about factors. A Factors whose effect on the response variable is not of interest can be set after the experiment. B Factors whose effect on the response variable interests us should be set at predetermined levels. C One way to control factors is to fix their level at one predetermined value throughout the experiment. D Any combination of the values of the factors is called a treatment. 4 What will help insure that the effect of a treatment is not due to some characteristic of a single experimental. A replication B blinding C randomizing D blocking, 3 Explain the completely randomized matched pairs and randomized block designs. MULTIPLE CHOICE Choose the one alternative that best completes the statement or answers the question. Provide an appropriate response, 1 A drug company wanted to test a new arthritis medication The researchers found 700 adults aged 25 35 and. randomly assigned them to two groups The first group received the new drug while the second received a. placebo After one month of treatment the percentage of each group whose arthritis symptoms decreased was. recorded and compared What is the response variable in this experiment. A the percentage who had decreased arthritis symptoms. B the type of drug medication or placebo,C the 700 adults aged 25 35.
D the one month treatment time, 2 A drug company wanted to test a new indigestion medication The researchers found 700 adults aged 25 35. and randomly assigned them to two groups The first group received the new drug while the second received. a placebo After one month of treatment the percentage of each group whose indigestion symptoms decreased. was recorded and compared What is the treatment in this experiment. A the drug, B the percentage who had decreased indigestion symptoms. C the 700 adults aged 25 35,D the one month treatment time. 3 A drug company wanted to test a new indigestion medication The researchers found 400 adults aged 25 35. and randomly assigned them to two groups The first group received the new drug while the second received. a placebo After one month of treatment the percentage of each group whose indigestion symptoms decreased. was recorded and compared How many levels does the treatment in this experiment have. A 2 medication or placebo B 400 number of respondents. C 1 months of treatment D 10 age span of respondents. 4 A drug company wanted to test a new arthritis medication The researchers found 300 adults aged 25 35 and. randomly assigned them to two groups The first group received the new drug while the second received a. placebo After one month of treatment the percentage of each group whose arthritis symptoms decreased was. recorded and compared What type of experimental design is this. A completely randomized design B randomized block design. C matched pairs design D single blind design, 5 A drug company wanted to test a new arthritis medication The researchers found 500 adults aged 25 35 and. randomly assigned them to two groups The first group received the new drug while the second received a. placebo After one month of treatment the percentage of each group whose arthritis symptoms decreased was. recorded and compared Identify the experimental units. A the 500 adults aged 25 35, B the percentage who had decreased arthritis symptoms.
C the drug medication or placebo,D the one month treatment time.


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WL-LIPO-809 User Manual Laser Lipo www.mychway.com Chapter 1. Brief Introduction Introduction WL-Lipo-809 Laser Lipo is the latest in laser ...

Mac, OS X - gbv.de

Mac OS X gbv de

Mac,OSX MountainLion DwightSpivey Mc ftr NewYork Chicago San Francisco Lisbon London Madrid Mexico City Milan NewDelhi San Juan Seoul Singapore Sydney Toronto. Contents Acknowledgments xv Introduction xvii PARTI GetStarted withYour Mac CHAPTER1 Welcometo the World ofMac! 3 TypesofMacs 3 What's theDifference Betweena Consumer Macanda Professional Mac? 4 WhichMacsAreforConsumers? 4 ...

ICAS TAx profeSSIonAl (ITp)

ICAS TAx profeSSIonAl ITp

ICAS TAx profeSSIonAl (ITp) SAmple mATerIAl 2013/14 ITP training provider. 5 Introduction Sample chapter from Taxation of Companies Sample chapter from Indirect Taxation Sample chapter from Taxation of Individuals Contents. Introduction 3 The ICAS Tax professional (ITp) is designed to deliver deep technical tax knowledge to candidates across a range of taxes, with a focus on using this ...

Russell Avenue-Range Road

Russell Avenue Range Road

Russell-Range Heritage Conservation District Plan . Part A: Conserving and Enhancing District Character . 1. Introduction . Fig. 1: Typical streetscape of brick houses and porches with shallow front and side setbacks (Russell Avenue) This document is intended to be used by the general public, architects, designers and

CONTENT OUTLINE - American Board of Pediatrics

CONTENT OUTLINE American Board of Pediatrics

CONTENT OUTLINE . Pediatric Cardiology . Subspecialty In-training, Certification, and Maintenance of Certification Examinations . INTRODUCTION This document was prepared by the American Board of Pediatrics Subboard of Pediatric Cardiology for the purpose of developing in-training, certification, and maintenance of certification examinations. The outline defines the body of knowledge from which ...

IEEE Standard For Software Test Documentation - IEEE Std ...

IEEE Standard For Software Test Documentation IEEE Std

(This introduction is not part of IEEE Std 829-1998, IEEE Standard for Software Test Documentation.) Purpose The purpose of this standard is to describe a set of basic software test documents. A standardized test docu-ment can facilitate communication by providing a common frame of reference (e.g., a customer and a

DRUG BENEFIT LIST

DRUG BENEFIT LIST

Introduction to NIHB Drug Benefit List Effective June 2019 . iii . 1. BACKGROUND ON NON-INSURED HEALTH BENEFITS (NIHB) PROGRAM . The Non-Insured Health Benefits (NIHB) Program of the Department of Indigenous Services Canada

Unlocking BJJ - Self Defense Tutorials

Unlocking BJJ Self Defense Tutorials

Page 2 of 109 Unlocking BJJ - Taking Your Grappling Game To The Next Level Table Of Contents (Page 1 of 2) Page 4 - Introduction to Unlocking BJJ by Stephan Kesting Page 5 - Five Tips for Martial Artists Crossing Over to Brazilian Jiu-Jitsu by Roy Dean Page 7 - The Beginning of Your Journey in Brazilian Jiu Jitsu by Roy Harris

UZ Series - tsurumipump.com

UZ Series tsurumipump com

17238029/B-10024-9 INTRODUCTION Thank you for selecting the Tsurumi UZ Submersible Sewage & Wastewater Pumps. This equipment should not be used for applications other than those listed in this manual.

Aptis

Aptis

Aptis Forward thinking English testing www.britishcouncil.sa Contents Introduction Student Name School Leen Badghaish (winner) Al Faisaliah Girls, Al Khobar Omar Tarik (runner up) Manarat Dammam Boys, Dammam Alaa Almouradi (runner up) Manarat Jeddah Boys, Jeddah Mohamed Amgad Manarat Jeddah Boys, Jeddah Dana Al-Onazi Manarat Riyadh Girls, Riyadh Manal Ghazi Almoutairi Manarat Riyadh Girls, Riyadh

JANUARY 2018 Views on the Impact of Artificial ...

JANUARY 2018 Views on the Impact of Artificial

Introduction The global economy is on the cusp of a revolution that will affect every American, regardless of age, race, education or profession. This revolution will see the adoption of artificial intelligence and robotics on a vast scale, transforming virtually all industries and creating large-scale upheaval. To succeed in the new

Superheroes and Identities: An Introduction

Superheroes and Identities An Introduction

3 (Dittmer 2012), war and propaganda (Stromberg 2010, Murray 2011, Dipaulo 2012), death and disability (Alvaniz 2014) and religion (Garrett 2008). Kaveney (2008) has also contributed some interesting insights, not framed by theoretical materials, into comics development. Research into superheroes has, then, been fragmented so far (with a few

QATs - VCE PE

QATs VCE PE

Published by QATS. Permission for copying in purchasing school only. Ser5PEU3O2A Introduction NAME: OUTCOME 2 Use data collected in practical activities to analyse how the major body and energy systems work together to enable movements to occur, and explain the fatigue mechanisms and recovery strategies. Task A practical laboratory report Focuses on the acute effects that physical activity has ...