The frequency distribution below summarizes employee years of service for Alpha 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

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 Through a 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 Through a 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 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 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

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

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

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 (in mm Hg)were given to the Nearest whole number. What class width was used to construct the relative frequency Distribution?

(Multiple Choice)

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Question 42

The following figures represent Latisha's monthly charges (in $)for long distance telephone calls for the past twelve months. 7.12 10.40 14.70 18.24 10.48 16.47 7.53 15.45 13.04 15.48 13.33 12.56 Construct a frequency distribution with four classes.

(Essay)

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Question 43

The frequency distribution below summarizes the home sale prices in the city of Summerhill for the month of June. Determine the class midpoint (in thousand $)for the class 235.0 -265.9. $\begin{array}{c|c}\text { Sale Price (in thousand \$) } & \text { Frequency } \\\hline 80.0-110.9 & 2 \\111.0-141.9 & 5 \\142.0-172.9 & 7 \\173.0-203.9 & 10 \\204.0-234.9 & 3 \\235.0-265.9 & 1\end{array}$

(Multiple Choice)

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Question 44

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

(Essay)

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Question 45

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 46

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)

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Question 47

The frequency distribution below summarizes employee years of service for Alpha 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

(Multiple Choice)

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Question 48

The frequency distribution below summarizes the home sale prices in the city of Summerhill for the month of June. Determine the width of each class. $\begin{array}{r|c}\text { Sale Price (in thousand } \$) & \text { Frequency } \\\hline 80.0-110.9 & 2 \\111.0-141.9 & 5 \\142.0-172.9 & 7 \\173.0-203.9 & 10 \\204.0-234.9 & 3 \\235.0-265.9 & 1\end{array}$

(Multiple Choice)

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Question 49

Explain in your own words why a bar graph can be misleading if one or both of the scales begin at some value other than zero.

(Essay)

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Question 50

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 $1 .$

(Essay)

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Question 51

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

(Multiple Choice)

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Question 52

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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(32)

Question 53

The graph below shows the number of car accidents occurring in one city in each of the years 2011 through 2016. The number of accidents dropped in 2013 after a new speed limit was imposed. Does the graph distort the data? How would you redesign the graph to be less misleading?

(Essay)

4.9/5

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Question 54

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 55

The attendance counts for this season's basketball games are listed below. Which of these choices display the correct stemplot? 227 239 215 219 221 233 229 233 235 228 245 231

(Multiple Choice)

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Question 56

Describe how a data point labeled as an outlier can affect the analysis of a data set in a frequency distribution or histogram.

(Essay)

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Question 57

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

(Multiple Choice)

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Question 58

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)

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Question 59

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?

(Multiple Choice)

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(37)

Question 60

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 following figures represent Latisha's monthly charges (in $)for long distance telephone calls for the past twelve months. 7.12 10.40 14.70 18.24 10.48 16.47 7.53 15.45 13.04 15.48 13.33 12.56 Construct a frequency distribution with four classes.

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 frequency distribution below summarizes employee years of service for Alpha 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

Explain in your own words why a bar graph can be misleading if one or both of the scales begin at some value other than zero.

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

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?

The graph below shows the number of car accidents occurring in one city in each of the years 2011 through 2016. The number of accidents dropped in 2013 after a new speed limit was imposed. Does the graph distort the data? How would you redesign the graph to be less misleading?

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 attendance counts for this season's basketball games are listed below. Which of these choices display the correct stemplot? 227 239 215 219 221 233 229 233 235 228 245 231

Describe how a data point labeled as an outlier can affect the analysis of a data set in a frequency distribution or histogram.

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

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

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?

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

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 following figures represent Latisha's monthly charges (in $)for long distance telephone calls for the past twelve months. 7.12 10.40 14.70 18.24 10.48 16.47 7.53 15.45 13.04 15.48 13.33 12.56 Construct a frequency distribution with four classes.

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 frequency distribution below summarizes employee years of service for Alpha 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

Explain in your own words why a bar graph can be misleading if one or both of the scales begin at some value other than zero.

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

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?

The graph below shows the number of car accidents occurring in one city in each of the years 2011 through 2016. The number of accidents dropped in 2013 after a new speed limit was imposed. Does the graph distort the data? How would you redesign the graph to be less misleading?

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 attendance counts for this season's basketball games are listed below. Which of these choices display the correct stemplot? 227 239 215 219 221 233 229 233 235 228 245 231

Describe how a data point labeled as an outlier can affect the analysis of a data set in a frequency distribution or histogram.

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

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

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?

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