The following data consists of the weights (in pounds)of 15 randomly selected women and the weights of 15 randomly selected men. Which of these choices display the correct back- To-back stemplot? $\begin{array} { l c c c c c } \text { Women: } & 128 & 150 & 118 & 166 & 142 \\ & 122 & 137 & 110 & 175 & 152 \\ & 145 & 126 & 139 & 111 & 170 \\ \text { Men: } & 140 & 153 & 199 & 186 & 169 \\ & 136 & 176 & 162 & 196 & 155 \\ & 173 & 190 & 141 & 166 & 153 \end{array}$

A) $ \quad \quad\text { Men }$ $~~\mid $ $~~~~~~\mid $ $ \quad\text { Women }$ $\begin{array}{l} \begin{array}{lll|} \hline & \\ & \\ &&6 \\ & 1&0\\ 5 & 3 & 3 \\ 9 & 6 & 2 \\ & 6 & 3\\ &&6\\ 9&6&0\\ \end{array} \begin{array}{lll|} \hline 11 \\ 12 \\ 13 \\ 14 \\ 15 \\ 16 \\ 17 \\ 18 \\ 19 \\ \end{array} \begin{array}{lll} \hline 0&1&8\\ 2&6&8\\ 7&9\\ 2&5\\ 0&2\\ 6\\ 0&5\\ \\ \\ \end{array} \end{array}$ B) $ \quad \quad\text { Men }$ $~~\mid $ $~~~~~~\mid $ $ \quad\text { Women }$ $\begin{array}{l} \begin{array}{lll|} \hline & \\ & \\ &&6 \\ & 1&0\\ 5 & 3 & 3 \\ 9 & 6 & 2 \\ & 6 & 3\\ &9&6\\ &9&6\\ \end{array} \begin{array}{lll|} \hline 11 \\ 12 \\ 13 \\ 14 \\ 15 \\ 16 \\ 17 \\ 18 \\ 19 \\ \end{array} \begin{array}{lll} \hline 0&1\\ 2&6&8\\ 7&9\\ 2&5\\ 0&2&4\\ 6\\ 0&5\\ \\ \\ \end{array} \end{array}$ A) $ \quad \quad\text { Men }$ $~~\mid $ $~~~~~~\mid $ $ \quad\text { Women }$ $\begin{array}{l} \begin{array}{lll|} \hline & \\ & \\ &&6 \\ & 1&0\\ 5 & 3 & 3 \\ 9 & 6 & 2 \\ & 6 & 3\\ &&6\\ 9&6&0\\ \end{array} \begin{array}{lll|} \hline 11 \\ 12 \\ 13 \\ 14 \\ 15 \\ 16 \\ 17 \\ 18 \\ 19 \\ \end{array} \begin{array}{lll} \hline 0&1&8\\ 2&6&8\\ 7&9\\ 2&5\\ 0&2\\ 6\\ 0&5\\ \\ \\ \end{array} \end{array}$ B) $ \quad \quad\text { Men }$ $~~\mid $ $~~~~~~\mid $ $ \quad\text { Women }$ $\begin{array}{l} \begin{array}{lll|} \hline & \\ & \\ &&6 \\ & 1&0\\ 5 & 3 & 3 \\ 9 & 6 & 2 \\ & 6 & 3\\ &9&6\\ &9&6\\ \end{array} \begin{array}{lll|} \hline 11 \\ 12 \\ 13 \\ 14 \\ 15 \\ 16 \\ 17 \\ 18 \\ 19 \\ \end{array} \begin{array}{lll} \hline 0&1\\ 2&6&8\\ 7&9\\ 2&5\\ 0&2&4\\ 6\\ 0&5\\ \\ \\ \end{array} \end{array}$

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

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 analyzes the scores on a math test. Find the class boundaries of scores interval 90-99. \[\begin{array} { c c } \hline \text { Scores } & \text { Number of Students } \\ \hline 50 - 59 & 2 \\ 60 - 69 & 4 \\ 70 - 79 & 6 \\ 80 - 89 & 15 \\ 90 - 99 & 5 \\ \hline \end{array}\]

A) 89.5, 100.5 B) 89.5, 100.4 C) 90.5, 99.5 D) 89.5, 99.5 A) 89.5, 100.5 B) 89.5, 100.4 C) 90.5, 99.5 D) 89.5, 99.5

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) $\begin{array}{r|c} \text { Speed } & \begin{array}{c} \text { Cumulative } \\ \text { Frequency } \end{array} \\ \hline \text { Less than } 30 & 0.04 \\ \text { Less than 60 } & 0.20 \\ \text { Less than } 90 & 0.80 \\ \text { Less than 120 } & 1.00 \end{array}$ B) $\begin{array}{r|c} \text { Speed } & \begin{array}{c} \text { Cumulative } \\ \text { Frequency } \end{array} \\ \hline \text { Less than } 30 & 4 \\ \text { Less than } 60 & 20 \\ \text { Less than } 90 & 80 \\ \text { Less than } 120 & 100 \end{array}$ 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) $\begin{array}{r|c} \text { Speed } & \begin{array}{c} \text { Cumulative } \\ \text { Frequency } \end{array} \\ \hline \text { Less than } 30 & 100 \\ \text { Less than 60 } & 80 \\ \text { Less than } 90 & 82 \\ \text { Less than 120 } & 4 \end{array}$ A) $\begin{array}{r|c} \text { Speed } & \begin{array}{c} \text { Cumulative } \\ \text { Frequency } \end{array} \\ \hline \text { Less than } 30 & 0.04 \\ \text { Less than 60 } & 0.20 \\ \text { Less than } 90 & 0.80 \\ \text { Less than 120 } & 1.00 \end{array}$ B) $\begin{array}{r|c} \text { Speed } & \begin{array}{c} \text { Cumulative } \\ \text { Frequency } \end{array} \\ \hline \text { Less than } 30 & 4 \\ \text { Less than } 60 & 20 \\ \text { Less than } 90 & 80 \\ \text { Less than } 120 & 100 \end{array}$ 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) $\begin{array}{r|c} \text { Speed } & \begin{array}{c} \text { Cumulative } \\ \text { Frequency } \end{array} \\ \hline \text { Less than } 30 & 100 \\ \text { Less than 60 } & 80 \\ \text { Less than } 90 & 82 \\ \text { Less than 120 } & 4 \end{array}$

A manufacturer records the number of errors each work station makes during the week. The data are as follows. $\begin{array} { l l l l l l l l l l l l l } 6 & 3 & 2 & 3 & 5 & 2 & 0 & 2 & 5 & 4 & 2 & 0 & 1 \end{array}$ Which of these choices display the correct dotplot?

A) Number of Errors for the Week B) Number of Errors for the Week for Workstations for Workstations C) Number of Errors for the Week D) Number of Errors for the Week for Workstations A) Number of Errors for the Week B) Number of Errors for the Week for Workstations for Workstations C) Number of Errors for the Week D) Number of Errors for the Week for Workstations

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) $\begin{array}{r|c} \text { Speed } & \begin{array}{c} \text { Cumulative } \\ \text { Frequency } \end{array} \\ \hline \text { Less than } 30 & 4 \\ \text { Less than } 60 & 20 \\ \text { Less than } 90 & 80 \\ \text { Less than } 120 & 100 \end{array}$ 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) $\begin{array}{r|c} & \text { Cumulative } \\ \text { Speed } & \text { Frequency } \\ \hline \text { Less than } 30 & 100 \\ \text { Less than } 60 & 80 \\ \text { Less than } 90 & 82 \\ \text { Less than } 120 & 4 \end{array}$ A) $\begin{array}{r|c} \text { Speed } & \begin{array}{c} \text { Cumulative } \\ \text { Frequency } \end{array} \\ \hline \text { Less than } 30 & 4 \\ \text { Less than } 60 & 20 \\ \text { Less than } 90 & 80 \\ \text { Less than } 120 & 100 \end{array}$ 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) $\begin{array}{r|c} & \text { Cumulative } \\ \text { Speed } & \text { Frequency } \\ \hline \text { Less than } 30 & 100 \\ \text { Less than } 60 & 80 \\ \text { Less than } 90 & 82 \\ \text { Less than } 120 & 4 \end{array}$

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

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

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

A) 3.5 years B) 3.0 years C) 5.0 years D) 2.5 years A) 3.5 years B) 3.0 years C) 5.0 years D) 2.5 years

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

A) $\begin{array}{|r|c} \text { Weight (oz) } & \begin{array}{c} \text { Cumulative } \\ \text { Frequency } \end{array} \\ \hline 1.2-1.6 & 5 \\ 1.7-2.1 & 7 \\ 2.2-2.6 & 12 \\ 2.7-3.1 & 17 \\ 3.2-3.6 & 30 \end{array}$ B) $\begin{array}{c|c} &\text { Cumulative }\\ \text { Weight (oz) } & \text { Frequency } \\ \hline \text { Less than } 2.2 & 7 \\ \text { Less than } 3.2 & 17 \\ \text { Less than } 3.7 & 30 \end{array}$ C) $\begin{array}{c|c} \text { Weight (oz) } & \begin{array}{c} \text { Cumulative } \\ \text { Frequency } \end{array} \\ \hline \text { Less than 1.7 } & 5 \\ \text { Less than } 2.2 & 7 \\ \text { Less than } 2.7 & 12 \\ \text { Less than } 3.2 & 17 \\ \text { Less than } 3.7 & 30 \end{array}$ D) $\begin{array}{l|c} \text { Weight (0z) } & \begin{array}{c} \text { Cumulative } \\ \text { Frequency } \end{array} \\ \hline \text { Less than 1.7 } & 5 \\ \text { Less than } 2.2 & 7 \\ \text { Less than } 2.7 & 12 \\ \text { Less than } 3.2 & 17 \\ \text { Less than } 3.7 & 28 \end{array}$ A) $\begin{array}{|r|c} \text { Weight (oz) } & \begin{array}{c} \text { Cumulative } \\ \text { Frequency } \end{array} \\ \hline 1.2-1.6 & 5 \\ 1.7-2.1 & 7 \\ 2.2-2.6 & 12 \\ 2.7-3.1 & 17 \\ 3.2-3.6 & 30 \end{array}$ B) $\begin{array}{c|c} &\text { Cumulative }\\ \text { Weight (oz) } & \text { Frequency } \\ \hline \text { Less than } 2.2 & 7 \\ \text { Less than } 3.2 & 17 \\ \text { Less than } 3.7 & 30 \end{array}$ C) $\begin{array}{c|c} \text { Weight (oz) } & \begin{array}{c} \text { Cumulative } \\ \text { Frequency } \end{array} \\ \hline \text { Less than 1.7 } & 5 \\ \text { Less than } 2.2 & 7 \\ \text { Less than } 2.7 & 12 \\ \text { Less than } 3.2 & 17 \\ \text { Less than } 3.7 & 30 \end{array}$ D) $\begin{array}{l|c} \text { Weight (0z) } & \begin{array}{c} \text { Cumulative } \\ \text { Frequency } \end{array} \\ \hline \text { Less than 1.7 } & 5 \\ \text { Less than } 2.2 & 7 \\ \text { Less than } 2.7 & 12 \\ \text { Less than } 3.2 & 17 \\ \text { Less than } 3.7 & 28 \end{array}$

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

A) 5 years B) 6 years C) 4 years D) 10 years A) 5 years B) 6 years C) 4 years D) 10 years

Exam 2: Exploring Data With Tables and Graphs

The following data consists of the weights (in pounds)of 15 randomly selected women and the weights of 15 randomly selected men. Which of these choices display the correct back- To-back stemplot? Women: 128 150 118 166 142 122 137 110 175 152 145 126 139 111 170 Men: 140 153 199 186 169 136 176 162 196 155 173 190 141 166 153

(Multiple Choice)

(Essay)

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(36)

Question 39

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

(Multiple Choice)

4.9/5

(38)

Question 40

Showing 21 - 40 of 60

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

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

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 manufacturer records the number of errors each work station makes during the week. The data are as follows. 6 3 2 3 5 2 0 2 5 4 2 0 1 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 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

Define the difference between a Relative Frequency Distribution and a Cumulative Frequency Distribution.

The following data set represents Heather's average monthly charges (in $)for cable TV for the past 12 months. 105 125 110 98 102 115 110 123 118 101 95 128 Construct a frequency distribution with 4 classes. Charges Frequency

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

Suppose that a data set has a minimum value of 24 and a maximum of 79 and that you want 5 classes. Explain how to find the class width for this frequency table. What happens if you mistakenly use a class width of 11 instead of 12?

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

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

Control Charts and Process Monitoring

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