Ch 2 Descriptive Statistics Easy Semester-Books Pdf

Ch 2 Descriptive Statistics Easy semester
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download instant at www easysemester com,4 Miles per day. Class Frequency f,A a 2 B a 1 C a 2 D a 1,b 1 5 b 1 5 b 1 b 1. c 0 5 2 5 c 0 5 2 5 c 1 2 c 1 2,2 Interpret Frequency Distribution Graphs. SHORT ANSWER Write the word or phrase that best completes each statement or answers the question. Use the given frequency distribution to construct a frequency histogram a relative frequency histogram and a frequency. 1 Height in inches,Class Frequency f,2 Weight in pounds. Class Frequency f,145 149 11,150 154 15, Use the given frequency distribution to construct a cumulative frequency distribution and an ogive.
3 Phone Calls per day,Class Frequency f,4 Height in inches. Class Frequency f,download instant at www easysemester com. 5 Weight in pounds,Class Frequency f,145 149 11,150 154 15. 6 Miles per day,Class Frequency f, MULTIPLE CHOICE Choose the one alternative that best completes the statement or answers the question. Provide an appropriate response, 7 Use the ogive below to approximate the number in the sample.
A 80 B 100 C 341 D 28, 8 Use the ogive below to approximate the cumulative frequency for 24 hours. A 63 B 17 C 27 D 75,download instant at www easysemester com. 3 Construct a Frequency Distribution from Data Set. MULTIPLE CHOICE Choose the one alternative that best completes the statement or answers the question. Provide an appropriate response, 1 A city in the Pacific Northwest recorded its highest temperature at 89 degrees Fahrenheit and its lowest. temperature at 28 degrees Fahrenheit for a particular year Use this information to find the upper and lower. limits of the first class if you wish to construct a frequency distribution with 10 classes. A 28 34 B 28 35 C 23 33 D 28 33, 2 A sample of candies have weights that vary from 2 35 grams to 4 75 grams Use this information to find the. upper and lower limits of the first class if you wish to construct a frequency distribution with 12 classes. A 2 35 2 55 B 2 35 2 54 C 2 35 2 65 D 2 35 2 75, SHORT ANSWER Write the word or phrase that best completes each statement or answers the question.
The grade point averages for 40 students are listed below. 2 0 3 2 1 8 2 9 0 9 4 0 3 3 2 9 3 6 0 8,3 1 2 4 2 4 2 3 1 6 1 6 4 0 3 1 3 2 1 8. 2 2 2 2 1 7 0 5 3 6 3 4 1 9 2 0 3 0 1 1,3 0 4 0 4 0 2 1 1 9 1 1 0 5 3 2 3 0 2 2. 3 Construct a frequency distribution a relative frequency distribution and a cumulative frequency distribution. using eight classes Include the midpoints of the classes. 4 Construct a frequency histogram a relative frequency histogram and a frequency polygon using eight classes. 5 Construct an ogive using eight classes, The heights in inches of 30 adult males are listed below. 70 72 71 70 69 73 69 68 70 71,67 71 70 74 69 68 71 71 71 72. 69 71 68 67 73 74 70 71 69 68, 6 Construct a frequency distribution a relative frequency distribution and a cumulative frequency distribution.
using five classes, 7 Construct a frequency histogram using five classes. 8 Construct a relative frequency histogram using five classes. 9 Construct a frequency polygon using five classes. 10 Construct a ogive using five classes,download instant at www easysemester com. The Highway Patrol using radar checked the speeds in mph of 30 passing motorists at a checkpoint The results are. listed below,44 38 41 50 36 36 43 42 49 48,35 40 37 41 43 50 45 45 39 38. 50 41 47 36 35 40 42 43 48 33, 11 Construct a frequency distribution a relative frequency distribution and a cumulative frequency distribution. using six classes, 12 Construct a frequency histogram a relative frequency histogram and a frequency polygon using six classes.
13 Construct an ogive using six classes,Provide an appropriate response. 14 Listed below are the ACT scores of 40 randomly selected students at a major university. 18 22 13 15 24 24 20 19 19 12,16 25 14 19 21 23 25 18 18 13. 26 26 25 25 19 17 18 15 13 21,19 19 14 24 20 21 23 22 19 17. a Construct a relative frequency histogram of the data using eight classes. b If the university wants to accept the top 90 of the applicants what should the minimum score be. c If the university sets the minimum score at 17 what percent of the applicants will be accepted. 4 Concepts, SHORT ANSWER Write the word or phrase that best completes each statement or answers the question. Provide an appropriate response, 1 Explain the difference between class limits and class boundaries.
2 2 More Graphs and Displays,1 Interpret Data Sets. SHORT ANSWER Write the word or phrase that best completes each statement or answers the question. Provide an appropriate response, 1 The numbers of home runs that Sammy Sosa hit in the first 15 years of his major league baseball career are. listed below Make a stem and leaf plot for this data What can you conclude about the data. 4 15 10 8 33 25 36 40 36 66 63 50 64 49 40, 2 The numbers of home runs that Barry Bonds hit in the first 18 years of his major league baseball career are. listed below Make a stem and leaf plot for this data What can you conclude about the data. 16 25 24 19 33 25 34 46 37,33 42 40 37 34 49 73 46 45. download instant at www easysemester com, MULTIPLE CHOICE Choose the one alternative that best completes the statement or answers the question.
3 For the stem and leaf plot below what is the maximum and what is the minimum entry. Key 11 7 11 7,12 4 6 6 7 8 9,13 0 1 1 2 3 6 6 7 8 8. 14 3 4 6 6 8 9 9 9,15 0 1 1 2 3 7 7 8 9,16 2 2 5 7 8 8 9 9. A max 17 3 min 11 6 B max 173 min 116,C max 17 0 min 11 6 D max 17 3 min 11 7. 4 For the dot plot below what is the maximum and what is the minimum entry. A max 17 min 12 B max 54 min 15 C max 54 min 12 D max 14 min 12. SHORT ANSWER Write the word or phrase that best completes each statement or answers the question. 5 The heights in inches of 30 adult males are listed below Construct a stem and leaf chart for the data. What can you conclude about the data,70 72 71 70 69 73 69 68 70 71. 67 71 70 74 69 68 71 71 71 72,69 71 68 67 73 74 70 71 69 68.
6 The Highway Patrol using radar checked the speeds in mph of 30 passing motorists at a checkpoint The. results are listed below Construct a stem and leaf plot for the data listing each stem twice What can you. conclude about the data,44 38 41 50 36 36 43 42 49 48. 35 40 37 41 43 50 45 45 39 38,50 41 47 36 35 40 42 43 48 33. download instant at www easysemester com,2 Graph Data Sets. SHORT ANSWER Write the word or phrase that best completes each statement or answers the question. Provide an appropriate response, 1 The Highway Patrol using radar checked the speeds in mph of 30 passing motorists at a checkpoint The. results are listed below Construct a dot plot for the data. 44 38 41 50 36 36 43 42 49 48,35 40 37 41 43 50 45 45 39 38.
50 41 47 36 35 40 42 43 48 33, 2 The heights in inches of 30 adult males are listed below Construct a dot plot for the data. 70 72 71 70 69 73 69 68 70 71,67 71 70 74 69 68 71 71 71 72. 69 71 68 67 73 74 70 71 69 68, 3 A study was conducted to determine how people get jobs Four hundred subjects were randomly selected and. the results are listed below,Job Sources of,Survey Respondents Frequency. Newspaper want ads 69,Online services 124,Executive search firms 72.
Mailings 32,Networking 103,Construct a pie chart of the data. 4 A study was conducted to determine how people get jobs Four hundred subjects were randomly selected and. the results are listed below,Job Sources of,Survey Respondents Frequency. Newspaper want ads 72,Online services 124,Executive search firms 69. Mailings 32,Networking 103,Construct a Pareto chart of the data. 5 The heights in inches of 30 adult males are listed below Construct a Pareto chart for the data. 70 72 71 70 69 73 69 68 70 71,67 71 70 74 69 68 71 71 71 72.
69 71 68 67 73 74 70 71 69 68,download instant at www easysemester com. 6 Use a scatter plot to display the data below All measurements are in milligrams per cigarette. Brand Tar Nicotine,Benson Hedges 16 1 2,Lucky Strike 13 1 1. Marlboro 16 1 2,Viceroy 18 1 4,True 6 0 6, 7 The numbers of home runs that Barry Bonds hit in the first 10 years of his major league baseball career are. listed below Use a scatter plot to display the data Is there a relationship between the home runs and the. batting averages,Home Runs 16 25 24 19 33 25 34 46 37 33. Batting Average 223 261 283 248 301 292 311 336 312 294. 8 The data below represent the numbers of absences and the final grades of 15 randomly selected students from a. statistics class Use a scatter plot to display the data Is there a relationship between the students absences and. their final grades, Student Number of Absences Final Grade as a Percent.
9 The data below represent the infant mortality rates and the life expectancies for seven selected countries in. Africa Use a scatter plot to display the data,Infant Mortality 63 199 71 61 67 35 194. Life Expectancy 45 31 51 47 39 70 37, 10 The data below represent the smoking prevalence among U S adults over a 35 year period Use a time series. chart to display the data Describe any trends shown. Year 1965 1985 1990 1995 2000,Percent of Smokers 42 30 25 25 23. download instant at www easysemester com, 11 A safety engineer wishes to use the following data to show the number of deaths from the collision of. passenger cars with trucks on a particular highway Use a time series chart to display the data Describe any. trends shown,Year Number of Deaths, 12 Women were allowed to enter the Boston Marathon for the first time in 1972 Listed below are the winning.
women s times in minutes for the first 10 years Use a time series chart to display the data. Year 1972 1973 1974 1975 1976 1977 1978 1979 1980 1981. Time 190 186 167 162 167 168 165 155 154 147, 13 The five longest winning streaks for NCAA Men s Division I Basketball are listed below Construct a Pareto. chart for the data,University Number of Games,Indiana 57. San Francisco 51,Marquette 56,Kentucky 54, 14 The lengths in kilometers of the world s largest subway systems are listed below Construct a Pareto chart for. City Length,Moscow 340,London 415,New York City 371. 15 The number of beds in a sample of 24 hospitals are listed below Construct a stem and leaf plot for the data. 149 167 162 127 130 180 160 167,221 145 137 194 207 150 254 262.
244 287 137 204 166 174 180 151,download instant at www easysemester com. 16 The number of minutes that a dentist kept 20 patients waiting beyond their appointment times are listed below. Construct a stem and leaf plot for the data,12 9 12 1 9 6 9 8 11 5 13 0 10 5 10 3 15 7 11 3. 10 7 10 0 13 0 9 7 11 4 12 8 11 9 9 3 9 6 10 1, 17 A study was conducted to determine how certain families pay on their credit card balances Two hundred. families with a household annual income between 25 000 and 49 999 were randomly selected and the results. are listed below Construct a pie chart of the data. Payment schedule Frequency,Almost always pay off balance 97. Sometimes pay off balance 41,Hardly ever pay off balance 62.
18 Of the 55 tornado fatalities in a recent year the locations of the victims are listed below Construct a pie chart. of the data,Location Fatalities,Mobile home 37,Permanent home 10. Business 2, 19 The data below represent the alcohol related driving fatalities in thousands in the United States over a. 20 year period Use a time series chart to display the data Describe any trends shown. Year 1983 1985 1987 1989 1991 1993 1995 1997 1999 2001. Fatalities 25 23 24 22 20 18 18 17 17 17,2 3 Measures of Central Tendency. 1 Interpret the Graph of a Distribution, MULTIPLE CHOICE Choose the one alternative that best completes the statement or answers the question. For the given data construct a frequency distribution and frequency histogram of the data using five classes Describe. the shape of the histogram as symmetric uniform skewed left or skewed right. 1 Data set California Pick Three Lottery,3 6 7 6 0 6 1 7 8 4.
1 5 7 5 9 1 5 3 9 9,2 2 3 0 8 8 4 0 2 4, A uniform B symmetric C skewed left D skewed right. download instant at www easysemester com,2 Data set California Pick Three Lottery. 8 6 7 6 0 9 1 7 8 4,1 5 7 5 9 7 5 3 9 9,8 8 3 9 8 8 9 0 2 7. A skewed left B symmetric C uniform D skewed right. 3 Data set ages of 20 cars randomly selected in a student parking lot. 12 6 4 9 11 1 7 8 9 8,9 13 5 15 7 6 8 8 2 1, A symmetric B uniform C skewed left D skewed right. 4 Data set systolic blood pressures of 20 randomly selected patients at a blood bank. 135 120 115 132 136 124 119 145 98 110,125 120 115 130 140 105 116 121 125 108.
A symmetric B uniform C skewed left D skewed right. Provide an appropriate response, 5 Use the histogram below to approximate the mode heart rate of adults in the gym. A 70 B 42 C 55 D 2,download instant at www easysemester com. 6 Use the histogram below to approximate the median heart rate of adults in the gym. A 70 B 65 C 75 D 42, 7 Use the histogram below to approximate the mean heart rate of adults in the gym. A 70 8 B 1425 7 C 70 D 31 6,2 Find the Mean Median and Mode. SHORT ANSWER Write the word or phrase that best completes each statement or answers the question. Ch 2 Descriptive Statistics 2 1 Frequency Distributions and Their Graphs 1 Interpret a Frequency Distribution MULTIPLE CHOICE Choose the one alternative that best completes the statement or answers the question Use the given frequency distribution to find the a class width b class midpoints of the first class c class boundaries of the first class 1 Height in inches Class

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