The weights (in pounds)of 22 members of the junior varsity football team are listed below. $\begin{array} { l l l l l l l l l l l } 144 & 152 & 142 & 151 & 160 & 152 & 131 & 164 & 141 & 153 & 140 \end{array}$ $\begin{array} { l l l l l l l l l l l l } 144 & 175 & 156 & 147 & 133 & 172 & 159 & 135 & 159 & 148 & 171 \end{array}$ Which of these choices display the correct stemplot?

A) $\begin{array}{l|lll} 13 & 1 & 3 & 5 \\ 14 & 0 & 1 & 2&4&4&7&8 \\ 15 & 1 & 2 & 2&3&6&9&9 \\ 16 & 0 & 4 \\ 17 & 1 & 2 & 5 \end{array}$ B) $\begin{array}{l|lll} 13 & 1 & 3 & 5 \\ 14 &1&2&2&3&6&9&9 \\ 15 & 0&1&2&4&4&7&8 \\ 16 & 0 & 4 \\ 17 & 1 & 2 & 5 \end{array}$ A) $\begin{array}{l|lll} 13 & 1 & 3 & 5 \\ 14 & 0 & 1 & 2&4&4&7&8 \\ 15 & 1 & 2 & 2&3&6&9&9 \\ 16 & 0 & 4 \\ 17 & 1 & 2 & 5 \end{array}$ B) $\begin{array}{l|lll} 13 & 1 & 3 & 5 \\ 14 &1&2&2&3&6&9&9 \\ 15 & 0&1&2&4&4&7&8 \\ 16 & 0 & 4 \\ 17 & 1 & 2 & 5 \end{array}$

The following data represent the number of cars passing through a toll booth during a certain time period over a number of days. $\begin{array} { l l l l l l l l l l l l l l l } 38 & 39 & 37 & 37 & 44 & 38 & 41 & 38 & 39 & 35 & 42 & 39 & 43 & 37 & 41 \end{array}$ Which of these choices display the correct dotplot?

A) Number of Cars Passing Througha Toll Booth B) Number of Cars Passing Through a Toll Booth C) Number of Cars Passing Through a Toll Booth D) Number of Cars Passing Through a Toll Booth A) Number of Cars Passing Througha Toll Booth B) Number of Cars Passing Through a Toll Booth C) Number of Cars Passing Through a Toll Booth D) Number of Cars Passing Through a Toll Booth

Identify the cumulative frequency distribution that corresponds to the given frequency_ distribution. $\begin{array}{r|c} \text { Speed } & \begin{array}{c} \text { Number } \\ \text { of Cars } \end{array} \\ \hline 0-29 & 4 \\ 30-59 & 16 \\ 60-89 & 60 \\ 90-119 & 20 \end{array}$

A) $\begin{array} { r | c } \text { Speed } & \begin{array} { l } \text { Cumulative } \\ \text { Frequency } \end{array} \\ \hline \text { Less than } 30 & 4 \\ \text { Less than } 60 & 20 \\ \text { Less than } 90 & 80 \\ \text { Less than } 120 & 100 \end{array}$ B) $\begin{array}{r|c} \text { Speed } & \begin{array}{c} \text { Cumulative } \\ \text { Frequency } \end{array} \\ \hline \text { Less than 30 } & 0.04 \\ \text { Less than } 60 & 0.20 \\ \text { Less than } 90 & 0.80 \\ \text { Less than } 120 & 1.00 \end{array}$ C) $\begin{array}{r|c} \text { Speed } & \begin{array}{c} \text { Cumulative } \\ \text { Frequency } \end{array} \\ \hline 0-29 & 4 \\ 30-59 & 20 \\ 60-89 & 80 \\ 90-119 & 100 \end{array}$ D) $\begin{array} { r | c } \text { Speed } & \begin{array} { l } \text { Cumulative } \\ \text { Frequency } \end{array} \\ \hline \text { Less than } 30 & 100 \\ \text { Less than } 60 & 80 \\ \text { Less than } 90 & 82 \\ \text { Less than } 120 & 4 \end{array}$ A) $\begin{array} { r | c } \text { Speed } & \begin{array} { l } \text { Cumulative } \\ \text { Frequency } \end{array} \\ \hline \text { Less than } 30 & 4 \\ \text { Less than } 60 & 20 \\ \text { Less than } 90 & 80 \\ \text { Less than } 120 & 100 \end{array}$ B) $\begin{array}{r|c} \text { Speed } & \begin{array}{c} \text { Cumulative } \\ \text { Frequency } \end{array} \\ \hline \text { Less than 30 } & 0.04 \\ \text { Less than } 60 & 0.20 \\ \text { Less than } 90 & 0.80 \\ \text { Less than } 120 & 1.00 \end{array}$ C) $\begin{array}{r|c} \text { Speed } & \begin{array}{c} \text { Cumulative } \\ \text { Frequency } \end{array} \\ \hline 0-29 & 4 \\ 30-59 & 20 \\ 60-89 & 80 \\ 90-119 & 100 \end{array}$ D) $\begin{array} { r | c } \text { Speed } & \begin{array} { l } \text { Cumulative } \\ \text { Frequency } \end{array} \\ \hline \text { Less than } 30 & 100 \\ \text { Less than } 60 & 80 \\ \text { Less than } 90 & 82 \\ \text { Less than } 120 & 4 \end{array}$

A store manager counts the number of customers who make a purchase in his store each_ day. The data are as follows. $\begin{array} { l l l l l l l l l l } 10 & 11 & 8 & 14 & 7 & 10 & 10 & 11 & 8 & 7 \end{array}$ Which of these choices display the correct dotplot?

A) Number of Customers Per Day B) Number of Customers Per Day C) Number of Customers Per Day D) Number of Customers Per Day A) Number of Customers Per Day B) Number of Customers Per Day C) Number of Customers Per Day D) Number of Customers Per Day

The following frequency distribution depicts the scores on a math test. Find the class_ midpoint of scores for the interval 95-99. $\begin{array}{cc} \hline \text { Scores } & \text { Number of Students } \\ \hline 75-79 & 2 \\ 80-84 & 4 \\ 85-89 & 6 \\ 90-94 & 15 \\ 95-99 & 5 \\ \hline \end{array}$

A) $97.5$ B) $97.0$ C) $96.5$ D) $98.0$ A) $97.5$ B) $97.0$ C) $96.5$ D) $98.0$

The following frequency distribution displays the scores on a math test. Find the class boundaries of scores interval 40-59. $\begin{array}{cc} \hline \text { Scores } & \text { Number of Students } \\ \hline 50-59 & 2 \\ 60-69 & 4 \\ 70-79 & 6 \\ 80-89 & 15 \\ 90-99 & 5 \\ \hline \end{array}$

A) $49.5,59.5$ B) $50.5,59.5$ C) $49.5,58.5$ D) $50.5,58.5$ A) $49.5,59.5$ B) $50.5,59.5$ C) $49.5,58.5$ D) $50.5,58.5$

Exam 2: Exploring Data With Tables and Graphs

The weights (in pounds)of 22 members of the junior varsity football team are listed below. 144 152 142 151 160 152 131 164 141 153 140 144 175 156 147 133 172 159 135 159 148 171 Which of these choices display the correct stemplot?

(Multiple Choice)

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Question 41

The scatterplot below displays the amount of nitrous oxide (NO)explained by the amount of_ carbon monoxide (CO)emissions in million metric tons over a ten year period in the United States. Select the choice that best describes any relationship between the variables.

(Multiple Choice)

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Question 42

The following data represent the number of cars passing through a toll booth during a certain time period over a number of days. 38 39 37 37 44 38 41 38 39 35 42 39 43 37 41 Which of these choices display the correct dotplot?

(Multiple Choice)

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Question 43

Analysis of the data from 25 mothers indicates that an infant's birth weight (g), y , can be estimated by a mother's weight (kg), x , using the regression equation y=31 x+1501 . For every $\underline{\quad\quad}$ (kg) increase in a mother's weight, the infant's birth weight increases by $\underline{\quad\quad}$ g.

(Multiple Choice)

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Question 44

Identify the cumulative frequency distribution that corresponds to the given frequency_ distribution. Speed Number of Cars 0-29 4 30-59 16 60-89 60 90-119 20

(Multiple Choice)

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Question 45

A store manager counts the number of customers who make a purchase in his store each_ day. The data are as follows. 10 11 8 14 7 10 10 11 8 7 Which of these choices display the correct dotplot?

(Multiple Choice)

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Question 46

A nurse measured the blood pressure of each person who visited her clinic. Following is a_ relative-frequency histogram for the systolic blood pressure readings for those people Aged between 25 and 40 years. The blood pressure readings were given to the nearest Whole number. Approximately what percentage of the people aged 25 -40 had a systolic Blood pressure reading between 110 and 139 mm Hg inclusive? Systolic Blood Pressure for People Aged 25-40 Years

(Multiple Choice)

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Question 47

The following frequency distribution depicts the scores on a math test. Find the class_ midpoint of scores for the interval 95-99. Scores Number of Students 75-79 2 80-84 4 85-89 6 90-94 15 95-99 5

(Multiple Choice)

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Question 48

A bar chart and a Pareto chart both use bars to show frequencies of categories of categorical_ data. What characteristic distinguishes a Pareto chart from a bar chart and how does that characteristic help us in understanding the data?

(Essay)

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Question 49

The Kappa Iota Sigma Fraternity polled its members on the weekend party theme. The_ vote was as follows: six for toga, four for hayride, eight for luau, and two for masquerade. Display the vote count in a Pareto chart.

(Multiple Choice)

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Question 50

In a survey, 20 people were asked how many magazines they had purchased during the previous year. The results are shown below. Construct a histogram to represent the data. Use 4 classes with a class width of 10, and begin with a lower class limit of -0.5. What is the approximate amount at the center? 6 15 3 36 25 18 12 18 5 30 24 7 0 22 33 24 19 4 12 9 $In a survey, 20 people were asked how many magazines they had purchased during the previous year. The results are shown below. Construct a histogram to represent the data. Use 4 classes with a class width of 10, and begin with a lower class limit of -0.5. What is the approximate amount at the center? \begin{array} { l c c c c c c c c c } 6 & 15 & 3 & 36 & 25 & 18 & 12 & 18 & 5 & 30 \\ 24 & 7 & 0 & 22 & 33 & 24 & 19 & 4 & 12 & 9 \end{array}$

(Essay)

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Question 51

x 0.51 0.02 0.14 0.29 0.34 0.8 0.47 0.71 y 0.31 0.46 -0.12 0.34 -0.05 0.8 0.35 0.47 Which of these choices display the correct scatterplot?

(Multiple Choice)

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Question 52

The data shows the roundtrip mileage that 43 randomly selected students drive to school_ each day. Construct a frequency polygon. Applying a loose interpretation of the requirements for a normal distribution, do the mileages appear to be normally distributed? Why or why not? Miles Frequency 10-14 0 15-19 6 20-24 9 25-29 21 30-34 7 $The data shows the roundtrip mileage that 43 randomly selected students drive to school_ each day. Construct a frequency polygon. Applying a loose interpretation of the requirements for a normal distribution, do the mileages appear to be normally distributed? Why or why not? \begin{array} { c | c } \text { Miles } & \text { Frequency } \\ \hline 10 - 14 & 0 \\ 15 - 19 & 6 \\ 20 - 24 & 9 \\ 25 - 29 & 21 \\ 30 - 34 & 7 \end{array}$

(Essay)

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Question 53

Kevin asked some of his friends how many hours they had worked during the previous week at their after-school jobs. The results are shown below. 5 6 5 4 5 5 9 8 5 3 7 6 6 7 5 6 7 5 6 8 6 7 8 4 Construct a frequency distribution. Use 4 classes, a class width of 2 hours, and a lower limit of 3 for class 1 . Hours Frequency

(Essay)

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Question 54

The two key parts of a regression equation involve the and the y-.

(Multiple Choice)

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Question 55

The Kappa Iota Sigma Fraternity polled its members on the weekend party theme. The vote was as follows: six for toga, four for hayride, eight for luau, and two for masquerade. Which of these choices display the correct Pareto chart?

(Multiple Choice)

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Question 56

In a survey, 26 voters were asked their ages. The results are shown below. Construct a_ histogram to represent the data (with 5 classes beginning with a lower class limit of 19.5 and a class width of 10). What is the approximate age at the center? 43 56 28 63 67 66 52 48 37 51 40 60 62 66 45 21 35 49 32 53 61 53 69 31 48 59 $In a survey, 26 voters were asked their ages. The results are shown below. Construct a_ histogram to represent the data (with 5 classes beginning with a lower class limit of 19.5 and a class width of 10). What is the approximate age at the center? \begin{array}{lllllllllllll} 43 & 56 & 28 & 63 & 67 & 66 & 52 & 48 & 37 & 51 & 40 & 60 & 62 \\ 66 & 45 & 21 & 35 & 49 & 32 & 53 & 61 & 53 & 69 & 31 & 48 & 59 \end{array}$

(Essay)

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Question 57

The following frequency distribution displays the scores on a math test. Find the class boundaries of scores interval 40-59. Scores Number of Students 50-59 2 60-69 4 70-79 6 80-89 15 90-99 5

(Multiple Choice)

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Question 58

The histogram below represents the number of television sets per household for a sample of_ U.S. households. What is the sample size? Number of TV Sets Per U.S. Household

(Multiple Choice)

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Question 59

Showing 41 - 59 of 59

The weights (in pounds)of 22 members of the junior varsity football team are listed below. 144 152 142 151 160 152 131 164 141 153 140 144 175 156 147 133 172 159 135 159 148 171 Which of these choices display the correct stemplot?

The scatterplot below displays the amount of nitrous oxide (NO)explained by the amount of_ carbon monoxide (CO)emissions in million metric tons over a ten year period in the United States. Select the choice that best describes any relationship between the variables.

The following data represent the number of cars passing through a toll booth during a certain time period over a number of days. 38 39 37 37 44 38 41 38 39 35 42 39 43 37 41 Which of these choices display the correct dotplot?

Identify the cumulative frequency distribution that corresponds to the given frequency_ distribution. Speed Number of Cars 0-29 4 30-59 16 60-89 60 90-119 20

A store manager counts the number of customers who make a purchase in his store each_ day. The data are as follows. 10 11 8 14 7 10 10 11 8 7 Which of these choices display the correct dotplot?

The following frequency distribution depicts the scores on a math test. Find the class_ midpoint of scores for the interval 95-99. Scores Number of Students 75-79 2 80-84 4 85-89 6 90-94 15 95-99 5

A bar chart and a Pareto chart both use bars to show frequencies of categories of categorical_ data. What characteristic distinguishes a Pareto chart from a bar chart and how does that characteristic help us in understanding the data?

The Kappa Iota Sigma Fraternity polled its members on the weekend party theme. The_ vote was as follows: six for toga, four for hayride, eight for luau, and two for masquerade. Display the vote count in a Pareto chart.

x 0.51 0.02 0.14 0.29 0.34 0.8 0.47 0.71 y 0.31 0.46 -0.12 0.34 -0.05 0.8 0.35 0.47 Which of these choices display the correct scatterplot?

The two key parts of a regression equation involve the and the y-.

The Kappa Iota Sigma Fraternity polled its members on the weekend party theme. The vote was as follows: six for toga, four for hayride, eight for luau, and two for masquerade. Which of these choices display the correct Pareto chart?

The following frequency distribution displays the scores on a math test. Find the class boundaries of scores interval 40-59. Scores Number of Students 50-59 2 60-69 4 70-79 6 80-89 15 90-99 5

The histogram below represents the number of television sets per household for a sample of_ U.S. households. What is the sample size? Number of TV Sets Per U.S. Household

Introduction to Statistics

Describing, Exploring, and Comparing Data

Probability

Discrete Probability Distributions

Normal Probability Distributions

Estimating Parameters and Determining Sample Sizes

Hypothesis Testing

Inferences From Two Samples

Correlation and Regression

Chi-Square and Analysis of Variance

Statistical Control Charts, Nonparametric Tests, and Hypothesis Testing

Filters

Exam 2: Exploring Data With Tables and Graphs

The weights (in pounds)of 22 members of the junior varsity football team are listed below. 144 152 142 151 160 152 131 164 141 153 140 144 175 156 147 133 172 159 135 159 148 171 Which of these choices display the correct stemplot?

The scatterplot below displays the amount of nitrous oxide (NO)explained by the amount of_ carbon monoxide (CO)emissions in million metric tons over a ten year period in the United States. Select the choice that best describes any relationship between the variables.

The following data represent the number of cars passing through a toll booth during a certain time period over a number of days. 38 39 37 37 44 38 41 38 39 35 42 39 43 37 41 Which of these choices display the correct dotplot?

Identify the cumulative frequency distribution that corresponds to the given frequency_ distribution. Speed Number of Cars 0-29 4 30-59 16 60-89 60 90-119 20

A store manager counts the number of customers who make a purchase in his store each_ day. The data are as follows. 10 11 8 14 7 10 10 11 8 7 Which of these choices display the correct dotplot?

The following frequency distribution depicts the scores on a math test. Find the class_ midpoint of scores for the interval 95-99. Scores Number of Students 75-79 2 80-84 4 85-89 6 90-94 15 95-99 5

A bar chart and a Pareto chart both use bars to show frequencies of categories of categorical_ data. What characteristic distinguishes a Pareto chart from a bar chart and how does that characteristic help us in understanding the data?

The Kappa Iota Sigma Fraternity polled its members on the weekend party theme. The_ vote was as follows: six for toga, four for hayride, eight for luau, and two for masquerade. Display the vote count in a Pareto chart.

x 0.51 0.02 0.14 0.29 0.34 0.8 0.47 0.71 y 0.31 0.46 -0.12 0.34 -0.05 0.8 0.35 0.47 Which of these choices display the correct scatterplot?

The two key parts of a regression equation involve the ____________ and the y-____________.

The Kappa Iota Sigma Fraternity polled its members on the weekend party theme. The vote was as follows: six for toga, four for hayride, eight for luau, and two for masquerade. Which of these choices display the correct Pareto chart?

The following frequency distribution displays the scores on a math test. Find the class boundaries of scores interval 40-59. Scores Number of Students 50-59 2 60-69 4 70-79 6 80-89 15 90-99 5

The histogram below represents the number of television sets per household for a sample of_ U.S. households. What is the sample size? Number of TV Sets Per U.S. Household

Introduction to Statistics

Describing, Exploring, and Comparing Data

Probability

Discrete Probability Distributions

Normal Probability Distributions

Estimating Parameters and Determining Sample Sizes

Hypothesis Testing

Inferences From Two Samples

Correlation and Regression

Chi-Square and Analysis of Variance

Statistical Control Charts, Nonparametric Tests, and Hypothesis Testing

Filters

The two key parts of a regression equation involve the and the y-.