Use the data to create a stemplot. -The attendance counts for this season's basketball games are listed below. $\begin{array}{llll} 227 & 239 & 215 & 219 \end{array}$ $\begin{array}{llll} 221 & 233 & 229 & 233 \end{array}$ $\begin{array}{llll} 235& 228 & 245 & 231 \end{array}$

A) $\begin{array} { l | l } 21 & 59 \\ 22 & 1789 \\ 23 & 13359 \\ 24 & 5 \end{array}$ B) $\begin{array} { l | l l } 21 & 579 \\ 22 & 189 \\ 23 & 13359 \\ 24 & 5 \end{array}$ A) $\begin{array} { l | l } 21 & 59 \\ 22 & 1789 \\ 23 & 13359 \\ 24 & 5 \end{array}$ B) $\begin{array} { l | l l } 21 & 579 \\ 22 & 189 \\ 23 & 13359 \\ 24 & 5 \end{array}$

The frequency distribution below summarizes employee years of service for Alpha Corporation. Find the class boundaries for class 26-30. \[\begin{array} { | c | c | } \hline \text { Years of service } & \text { Frequency } \\ \hline 1 - 5 & 5 \\ 6 - 10 & 20 \\ 11 - 15 & 25 \\ 16 - 20 & 10 \\ 21 - 25 & 5 \\ 26 - 30 & 3 \\ \hline \end{array}\]

A) 25.5, 20.5 B) 25.5, 30.5 C) 26.5, 29.5 D) 26.5, 30.5 A) 25.5, 20.5 B) 25.5, 30.5 C) 26.5, 29.5 D) 26.5, 30.5

The following frequency distribution analyzes the scores on a math test. Find the class midpoint of scores interval 40-59. \[\begin{array} { | c c } \hline \text { Scores } & \text { Number of students } \\ \hline 40 - 59 & 2 \\ 60 - 75 & 4 \\ 76 - 82 & 6 \\ 83 - 94 & 15 \\ 95 - 99 & 5 \\ \hline \end{array}\]

A) 50.5 B) 49.5 C) 48.5 D) 49.0 A) 50.5 B) 49.5 C) 48.5 D) 49.0

Which of the following cumulative frequency distribution corresponds to the given frequency distribution? $\begin{array}{r|c} \text { Weight (oz) } & \begin{array}{l} \text { Number } \\ \text { of Stones } \end{array} \\ \hline 1.2-1.6 & 5 \\ 1.7-2.1 & 2 \\ 2.2-2.6 & 5 \\ 2.7-3.1 & 5 \\ 3.2-3.6 & 13 \end{array}$

A) $\begin{array}{c|c} \text { Weight (oz) } & \begin{array}{c} \text { Cumulative } \\ \text { Frequency } \end{array} \\ \hline \text { Less than 1.7 } & 5 \\ \text { Less than 2.2 } & 7 \\ \text { Less than } 2.7 & 12 \\ \text { Less than } 3.2 & 17 \\ \text { Less than } 3.7 & 30 \end{array}$ B) $\begin{array}{c|c} \text { Weight (oz) } & \begin{array}{c} \text { Cumulative } \\ \text { Frequency } \end{array} \\ \hline \text { Less than 1.7 } & 5 \\ \text { Less than 2.2 } & 7 \\ \text { Less than } 2.7 & 12 \\ \text { Less than } 3.2 & 17 \\ \text { Less than } 3.7 & 28 \end{array}$ C) $\begin{array}{c|c} & \text { Cumulative } \\ \text { Weight (oz) } & \text { Frequency } \\ \hline \text { Less than } 2.2 & 7 \\ \text { Less than } 3.2 & 17 \\ \text { Less than } 3.7 & 30 \end{array}$ D) $\begin{array}{r|c} & \text { Cumulative } \\ \text { Weight (oz) } & \text { Frequency } \\ \hline 1.2-1.6 & 5 \\ 1.7-2.1 & 7 \\ 2.2-2.6 & 12 \\ 2.7-3.1 & 17 \\ 3.2-3.6 & 30 \\ \hline \end{array}$ A) $\begin{array}{c|c} \text { Weight (oz) } & \begin{array}{c} \text { Cumulative } \\ \text { Frequency } \end{array} \\ \hline \text { Less than 1.7 } & 5 \\ \text { Less than 2.2 } & 7 \\ \text { Less than } 2.7 & 12 \\ \text { Less than } 3.2 & 17 \\ \text { Less than } 3.7 & 30 \end{array}$ B) $\begin{array}{c|c} \text { Weight (oz) } & \begin{array}{c} \text { Cumulative } \\ \text { Frequency } \end{array} \\ \hline \text { Less than 1.7 } & 5 \\ \text { Less than 2.2 } & 7 \\ \text { Less than } 2.7 & 12 \\ \text { Less than } 3.2 & 17 \\ \text { Less than } 3.7 & 28 \end{array}$ C) $\begin{array}{c|c} & \text { Cumulative } \\ \text { Weight (oz) } & \text { Frequency } \\ \hline \text { Less than } 2.2 & 7 \\ \text { Less than } 3.2 & 17 \\ \text { Less than } 3.7 & 30 \end{array}$ D) $\begin{array}{r|c} & \text { Cumulative } \\ \text { Weight (oz) } & \text { Frequency } \\ \hline 1.2-1.6 & 5 \\ 1.7-2.1 & 7 \\ 2.2-2.6 & 12 \\ 2.7-3.1 & 17 \\ 3.2-3.6 & 30 \\ \hline \end{array}$

The following frequency distribution represents the scores on a math test. Find the class midpoint of scores for the interval 40-59. \[\begin{array} { | l c | } \hline \text { Scores } & \text { Number of students } \\ 50 - 59 & 2 \\ 60 - 69 & 4 \\ 70 - 79 & 6 \\ 80 - 89 & 15 \\ 90 - 99 & 5 \\ \hline \end{array}\]

A) 49.5 B) 48.5 C) 50.5 D) 49.0 A) 49.5 B) 48.5 C) 50.5 D) 49.0

Exam 2: Exploring Data With Tables and Graphs

Construct a pie chart representing the given data set. -The frequency table below shows the amount of weight loss during the first month of a diet program for a group of men. Constructing a frequency polygon. Applying a loose interpretation of the requirements for a normal distribution, do the pounds of weight loss appear to be normally distributed? Why or why not? Weight (lb) Frequency 5-7 2 8-10 9 11-13 18 14-16 13 17-19 4 20-22 1 $Construct a pie chart representing the given data set. -The frequency table below shows the amount of weight loss during the first month of a diet program for a group of men. Constructing a frequency polygon. Applying a loose interpretation of the requirements for a normal distribution, do the pounds of weight loss appear to be normally distributed? Why or why not? \begin{array}{c|c} \text { Weight (lb) } & \text { Frequency } \\ \hline 5-7 & 2 \\ 8-10 & 9 \\ 11-13 & 18 \\ 14-16 & 13 \\ 17-19 & 4 \\ 20-22 & 1 \end{array}$

(Essay)

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Question 101

Graphs should be constructed in a way that is fair and objective. A common deceptive graph alters the axes of the graph in what way?

(Essay)

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Question 102

The linear coefficient denoted by r measures the of the linear association between two variables.

(Multiple Choice)

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Question 103

Sturges' guideline suggests that when constructing a frequency distribution, the ideal number of classes can be approximated by 1 + (log n)/(log 2), where n is the number of data values. Use this guideline to find the ideal Number of classes when the number of data values is 148.

(Multiple Choice)

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Question 104

Use the data to create a stemplot. -The attendance counts for this season's basketball games are listed below. 227 239 215 219 221 233 229 233 235 228 245 231

(Multiple Choice)

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Question 105

Describe at least two advantages to using stemplots rather than frequency distributions.

(Essay)

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Question 106

The following data show the number of laps run by each participant in a marathon. 46 65 55 43 51 48 57 30 43 49 32 56 Which of these choices display the correct stemplot?

(Multiple Choice)

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Question 107

The histogram below represents the number of television sets per household for a sample of U.S. households. What is the sample size?

(Multiple Choice)

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Question 108

The histogram below shows the distribution of the assets (in millions of dollars) of 71 companies. Does the distribution appear to be normal?

(Short Answer)

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Question 109

The frequency distribution below summarizes employee years of service for Alpha Corporation. Find the class boundaries for class 26-30. Years of service Frequency 1-5 5 6-10 20 11-15 25 16-20 10 21-25 5 26-30 3

(Multiple Choice)

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Question 110

The following frequency distribution analyzes the scores on a math test. Find the class midpoint of scores interval 40-59. Scores Number of students 40-59 2 60-75 4 76-82 6 83-94 15 95-99 5

(Multiple Choice)

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Question 111

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?

(Multiple Choice)

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Question 112

Which of the following cumulative frequency distribution corresponds to the given frequency distribution? Weight (oz) Number of Stones 1.2-1.6 5 1.7-2.1 2 2.2-2.6 5 2.7-3.1 5 3.2-3.6 13

(Multiple Choice)

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Question 113

On a math test, the scores of 24 students were 91 71 75 66 75 75 91 87 75 66 82 71 71 82 75 71 82 75 71 87 71 82 87 66 Construct a frequency distribution. Use 4 classes beginning with a lower class limit of 60 . $On a math test, the scores of 24 students were \begin{array} { l l l l l l l l l l l l } 91 & 71 & 75 & 66 & 75 & 75 & 91 & 87 & 75 & 66 & 82 & 71 \\ 71 & 82 & 75 & 71 & 82 & 75 & 71 & 87 & 71 & 82 & 87 & 66 \end{array} Construct a frequency distribution. Use 4 classes beginning with a lower class limit of 60 .$

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Question 114

Construct a pie chart representing the given data set. -A parcel delivery service lowered its prices and finds that it has delivered twice as many parcels this year as it did last year. To illustrate this fact, the manager draws a graph as shown below. Each cube depicts a parcel. The side length of the "parcel" on the right is twice the side length of the "parcel" on the left. Why is this graph misleading? What visual impression is created by the graph?

(Essay)

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Question 115

The following data show the number of laps run by each participant in a marathon. 46 65 55 43 51 48 57 30 43 49 32 56 Which of these choices display the correct stemplot?

(Multiple Choice)

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Question 116

The following frequency distribution represents the scores on a math test. Find the class midpoint of scores for the 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 117

Smoking and the episodes of lung cancer have a high correlation, but it does not prove ________.

(Multiple Choice)

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Question 118

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 119

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 119 mm Hg inclusive?

(Multiple Choice)

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Question 120

Showing 101 - 120 of 132

Graphs should be constructed in a way that is fair and objective. A common deceptive graph alters the axes of the graph in what way?

The linear coefficient denoted by r measures the of the linear association between two variables.

Sturges' guideline suggests that when constructing a frequency distribution, the ideal number of classes can be approximated by 1 + (log n)/(log 2), where n is the number of data values. Use this guideline to find the ideal Number of classes when the number of data values is 148.

Use the data to create a stemplot. -The attendance counts for this season's basketball games are listed below. 227 239 215 219 221 233 229 233 235 228 245 231

Describe at least two advantages to using stemplots rather than frequency distributions.

The following data show the number of laps run by each participant in a marathon. 46 65 55 43 51 48 57 30 43 49 32 56 Which of these choices display the correct stemplot?

The histogram below represents the number of television sets per household for a sample of U.S. households. What is the sample size?

The histogram below shows the distribution of the assets (in millions of dollars) of 71 companies. Does the distribution appear to be normal?

The frequency distribution below summarizes employee years of service for Alpha Corporation. Find the class boundaries for class 26-30. Years of service Frequency 1-5 5 6-10 20 11-15 25 16-20 10 21-25 5 26-30 3

The following frequency distribution analyzes the scores on a math test. Find the class midpoint of scores interval 40-59. Scores Number of students 40-59 2 60-75 4 76-82 6 83-94 15 95-99 5

Which of the following cumulative frequency distribution corresponds to the given frequency distribution? Weight (oz) Number of Stones 1.2-1.6 5 1.7-2.1 2 2.2-2.6 5 2.7-3.1 5 3.2-3.6 13

The following data show the number of laps run by each participant in a marathon. 46 65 55 43 51 48 57 30 43 49 32 56 Which of these choices display the correct stemplot?

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

Smoking and the episodes of lung cancer have a high correlation, but it does not prove ________.

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.

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

Goodness-Of-Fit and Contingency Tables

Analysis of Variance

Nonparametric Tests

Statistical Process Control

Filters

Exam 2: Exploring Data With Tables and Graphs

Graphs should be constructed in a way that is fair and objective. A common deceptive graph alters the axes of the graph in what way?

The linear ________ coefficient denoted by r measures the ________ of the linear association between two variables.

Sturges' guideline suggests that when constructing a frequency distribution, the ideal number of classes can be approximated by 1 + (log n)/(log 2), where n is the number of data values. Use this guideline to find the ideal Number of classes when the number of data values is 148.

Use the data to create a stemplot. -The attendance counts for this season's basketball games are listed below. 227 239 215 219 221 233 229 233 235 228 245 231

Describe at least two advantages to using stemplots rather than frequency distributions.

The following data show the number of laps run by each participant in a marathon. 46 65 55 43 51 48 57 30 43 49 32 56 Which of these choices display the correct stemplot?

The histogram below represents the number of television sets per household for a sample of U.S. households. What is the sample size?

The histogram below shows the distribution of the assets (in millions of dollars) of 71 companies. Does the distribution appear to be normal?

The frequency distribution below summarizes employee years of service for Alpha Corporation. Find the class boundaries for class 26-30. Years of service Frequency 1-5 5 6-10 20 11-15 25 16-20 10 21-25 5 26-30 3

The following frequency distribution analyzes the scores on a math test. Find the class midpoint of scores interval 40-59. Scores Number of students 40-59 2 60-75 4 76-82 6 83-94 15 95-99 5

Which of the following cumulative frequency distribution corresponds to the given frequency distribution? Weight (oz) Number of Stones 1.2-1.6 5 1.7-2.1 2 2.2-2.6 5 2.7-3.1 5 3.2-3.6 13

On a math test, the scores of 24 students were 91 71 75 66 75 75 91 87 75 66 82 71 71 82 75 71 82 75 71 87 71 82 87 66 Construct a frequency distribution. Use 4 classes beginning with a lower class limit of 60 .

The following data show the number of laps run by each participant in a marathon. 46 65 55 43 51 48 57 30 43 49 32 56 Which of these choices display the correct stemplot?

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

Smoking and the episodes of lung cancer have a high correlation, but it does not prove ________.

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.

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

Goodness-Of-Fit and Contingency Tables

Analysis of Variance

Nonparametric Tests

Statistical Process Control

Filters

The linear coefficient denoted by r measures the of the linear association between two variables.