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. \[\begin{array} { r | c } \text { Sale Price (in thousand S) } & \text { Frequency } \\ \hline 80.0 - 110.9 & 2 \\ 111.0 - 141.9 & 5 \\ 142.0 - 172.9 & 7 \\ 173.0 - 203.9 & 10 \\ 204.0 - 234.9 & 3 \\ 235.0 - 265.9 & 1 \end{array}\]

A) 61 B) 31 C) 28 D) 30 A) 61 B) 31 C) 28 D) 30 B

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. \[\begin{array} { c | c } \text { Sale Price (in thousand S) } & \text { Frequency } \\ \hline 80.0 - 110.9 & 2 \\ 111.0 - 141.9 & 5 \\ 142.0 - 172.9 & 7 \\ 173.0 - 203.9 & 10 \\ 204.0 - 234.9 & 3 \\ 235.0 - 265.9 & 1 \end{array}\]

A) 250.4 B) 250.55 C) 250.45 D) 250.5 A) 250.4 B) 250.55 C) 250.45 D) 250.5

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

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

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

Which explained by the amount of carbon monoxide (CO)emissions in million metric tons over a Ten year period in the United States? The data set is below: $\begin{array}{|l|l|l|l|l|l|l|l|l|l|l|} \hline \text { CO } & 5638 & 5708 & 5893 & 5807 & 5881 & 5939 & 6024 & 6032 & 5946 & 6022 \\ \hline \text { NO } & 351 & 349 & 345 & 339 & 335 & 335 & 362 & 371 & 376 & 384 \\ \hline \end{array}$

A) Nitrous Oxide (NO) and Carbon Monoxide (CO) Emissions in the U.S. over Ten Years B) Nitrous Oxide (NO) and Carbon Monoxide (CO) Emissions in the U.S. over Ten Years C) Nitrous Oxide (NO) and Carbon Monoxide (CO) Emissions in the U.S. over Ten Years D) Nitrous Oxide (NO) and Carbon Monoxide (CO) Emissions in the U.S. over Ten Years A) Nitrous Oxide (NO) and Carbon Monoxide (CO) Emissions in the U.S. over Ten Years B) Nitrous Oxide (NO) and Carbon Monoxide (CO) Emissions in the U.S. over Ten Years C) Nitrous Oxide (NO) and Carbon Monoxide (CO) Emissions in the U.S. over Ten Years D) Nitrous Oxide (NO) and Carbon Monoxide (CO) Emissions in the U.S. over Ten Years

The following data show the number of laps run by each participant in a marathon. $\begin{array} { l l l l l l l l l l l l } 46 & 65 & 55 & 43 & 51 & 48 & 57 & 30 & 43 & 49 & 32 & 56 \end{array}$ Which of these choices display the correct stemplot?

A) $\begin{array}{l|cc} 3&0&2\\ 4&3&3&6&8&9\\ 5&1&5&6&7\\ 6&5 \end{array}$ B) $\begin{array}{l|cc} 3&0&2\\ 4&3&6&8&9\\ 5&1&3&5&6&7\\ 6&5 \end{array}$ A) $\begin{array}{l|cc} 3&0&2\\ 4&3&3&6&8&9\\ 5&1&5&6&7\\ 6&5 \end{array}$ B) $\begin{array}{l|cc} 3&0&2\\ 4&3&6&8&9\\ 5&1&3&5&6&7\\ 6&5 \end{array}$

Exam 2: Exploring Data With Tables and Graphs

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

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Question 1

Correct Answer:

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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. Sale Price (in thousand S) Frequency 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

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Question 2

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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?

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Question 3

Correct Answer:

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In a Pareto chart, the bars are arranged in descending order according to frequencies. The Pareto chart helps us
understand data by drawing attention to the categories which have the highest frequencies.

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. Sale Price (in thousand S) Frequency 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

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Question 4

Describe the differences between a histogram and a stemplot and discuss the advantages and disadvantages of each.

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Question 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

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Question 6

The histogram below represents the number of television sets per household for a sample of U.S. households. What is the sample size? $\text { Number of Television Sets Per U.S. Household }$ $The histogram below represents the number of television sets per household for a sample of U.S. households. What is the sample size? \text { Number of Television Sets Per U.S. Household }$

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Question 7

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 8

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 9

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 10

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? Systolic Blood Pressure for People Aged 25 - 40 Years

(Multiple Choice)

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Question 11

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 12

Which explained by the amount of carbon monoxide (CO)emissions in million metric tons over a Ten year period in the United States? The data set is below: CO 5638 5708 5893 5807 5881 5939 6024 6032 5946 6022 NO 351 349 345 339 335 335 362 371 376 384

(Multiple Choice)

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Question 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?

(Multiple Choice)

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Question 14

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? Number of Car Accidents for 2011 - 2016

(Essay)

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Question 15

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? Systolic Blood Pressure for People Aged 25 - 40 Years

(Multiple Choice)

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Question 16

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

(Multiple Choice)

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Question 17

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

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Question 18

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

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Question 19

The following data set represents Heather's average monthly charges (in $)for cable TV for the past 24 months. 105 125 110 98 102 115 110 123 118 101 95 128 110 105 122 107 118 107 117 125 116 110 101 107 Construct a frequency distribution with 4 classes, a class width of 2 hours, and a lower limit of 100 for class $1 .$ $\begin{array}{l|l} \text { Charges \$} & \text { Frequency } \\ \hline \text { } & \text { } \\\end{array}$

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Question 20

Showing 1 - 20 of 60

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. Sale Price (in thousand S) Frequency 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

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?

Describe the differences between a histogram and a stemplot and discuss the advantages and disadvantages of each.

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

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 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 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?

Which explained by the amount of carbon monoxide (CO)emissions in million metric tons over a Ten year period in the United States? The data set is below: CO 5638 5708 5893 5807 5881 5939 6024 6032 5946 6022 NO 351 349 345 339 335 335 362 371 376 384

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

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

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

Filters

Exam 2: Exploring Data With Tables and Graphs

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. Sale Price (in thousand S) Frequency 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

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?

Describe the differences between a histogram and a stemplot and discuss the advantages and disadvantages of each.

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

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 Television Sets Per U.S. Household \text { Number of Television Sets Per U.S. Household } Number of Television Sets Per U.S. Household

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 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 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?

Which explained by the amount of carbon monoxide (CO)emissions in million metric tons over a Ten year period in the United States? The data set is below: CO 5638 5708 5893 5807 5881 5939 6024 6032 5946 6022 NO 351 349 345 339 335 335 362 371 376 384

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

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

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

Filters

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