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

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

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

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

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

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

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

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

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

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

Exam 2: Exploring Data With Tables and Graphs

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 61

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 62

The scores on a recent statistics test are given in the frequency distribution below. Construct the corresponding relative frequency distribution. Round relative frequencies to the nearest hundredth of a percent if necessary. Scores Frequency 0-60 3 61-70 10 71-80 11 81-90 4 91-100 1

(Multiple Choice)

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Question 63

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

(Multiple Choice)

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Question 64

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 65

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 = 31x + 1501. If a mother's weight is 70 kg, the infant's birth Weight can be estimated as ________ g.

(Multiple Choice)

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Question 66

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 67

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 68

Lori asked 24 students how many hours they had spent doing homework during the previous week. The results are shown below. 10 10 10 8 10 10 14 13 10 8 12 10 10 12 10 10 12 10 10 13 10 12 13 8 Construct a frequency distribution. Use 4 classes, a class width of 2 hours, and a lower limit of 8 for Hours Frequency

(Essay)

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Question 69

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 70

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 71

Construct a pie chart representing the given data set. -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 72

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 73

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

(Essay)

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Question 74

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 75

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

(Multiple Choice)

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Question 76

Use the data to create a stemplot. -The weights of 22 members of the 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

(Multiple Choice)

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Question 77

Which choice displays the best graphic display of 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? 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 78

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 79

Solve the problem. -At the National Criminologists Association's annual convention, participants filled out a questionnaire asking what they thought was the most important cause for criminal behavior. The tally was as follows. Cause Frequency education 31.9 drugs 95.7 family 63.8 poverty 111.65 other 15.95 $Solve the problem. -At the National Criminologists Association's annual convention, participants filled out a questionnaire asking what they thought was the most important cause for criminal behavior. The tally was as follows. \begin{array}{r|r} \text { Cause } & \text { Frequency } \\ \hline \text { education } & 31.9 \\ \text { drugs } & 95.7 \\ \text { family } & 63.8 \\ \text { poverty } & 111.65 \\ \text { other } & 15.95 \end{array} Construct a Pareto chart to display these findings.$ Construct a Pareto chart to display these findings.

(Multiple Choice)

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Question 80

Showing 61 - 80 of 132

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

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

The scores on a recent statistics test are given in the frequency distribution below. Construct the corresponding relative frequency distribution. Round relative frequencies to the nearest hundredth of a percent if necessary. Scores Frequency 0-60 3 61-70 10 71-80 11 81-90 4 91-100 1

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

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 = 31x + 1501. If a mother's weight is 70 kg, the infant's birth Weight can be estimated as ________ g.

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

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.

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

Construct a pie chart representing the given data set. -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.

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

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

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

Use the data to create a stemplot. -The weights of 22 members of the 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

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