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

Use the data to create a stemplot. -Twenty-four workers were surveyed about how long it takes them to travel to work each day. The data below are given in minutes. $\begin{array} { l l l l l l l l l l l l } 20 & 35 & 42 & 52 & 65 & 20 & 60 & 49 & 24 & 37 & 23 & 24 \end{array}$ $\begin{array} { l l l l l l l l l l l l } 22 & 20 & 41 & 25 & 28 & 27 & 50 & 47 & 58 & 30 & 32 & 48 \end{array}$

A) B) $\begin{array} { l | l l l } 2 & 0002344578 \\ 3 & 0257 \\ 4 & 12789 \\ 5 & 028 \\ 6 & 05 \end{array}$ A) B) $\begin{array} { l | l l l } 2 & 0002344578 \\ 3 & 0257 \\ 4 & 12789 \\ 5 & 028 \\ 6 & 05 \end{array}$

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

A) 98.0 B) 97.0 C) 96.5 D) 97.5 A) 98.0 B) 97.0 C) 96.5 D) 97.5

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

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

A) 50.5, 58.5 B) 49.5, 58.5 C) 50.5, 59.5 D) 49.5, 59.5 A) 50.5, 58.5 B) 49.5, 58.5 C) 50.5, 59.5 D) 49.5, 59.5

Use the data to create a stemplot. -The normal monthly precipitation (in inches) for August is listed for 39 different U.S. cities. Construct an expanded stemplot with about 9 rows. $\begin{array} { l l l l l l l l l l l l l } 3.5 & 1.6 & 2.4 & 3.7 & 4.1 & 3.9 & 1.0 & 3.6 & 1.7 & 0.4 & 3.2 & 4.2 & 4.1 \end{array}$ $\begin{array} { l l l l l l l l l l l l l } 4.2 & 3.4 & 3.7 & 2.2 & 1.5 & 4.2 & 3.4 & 2.7 & 4.0 & 2.0 & 0.8 & 3.6 & 3.7 \end{array}$ $\begin{array} { l l l l l l l l l l l l l } 0.4 & 3.7 & 2.0 & 3.6 & 3.8 & 1.2 & 4.0 & 3.1 & 0.5 & 3.9 & 0.1 & 3.5 & 3.4 \end{array}$

A) B) $\begin{array} { l | l } 0 . & 144 \\ 0 . & 58 \\ 1 . & 02 \\ 1 . & 567 \\ 2 . & 0024 \\ 2 . & 7 \\ 3 . & 12444 \\ 3 . & 556667777899 \\ 4 . & 0011222 \end{array}$ A) B) $\begin{array} { l | l } 0 . & 144 \\ 0 . & 58 \\ 1 . & 02 \\ 1 . & 567 \\ 2 . & 0024 \\ 2 . & 7 \\ 3 . & 12444 \\ 3 . & 556667777899 \\ 4 . & 0011222 \end{array}$

Exam 2: Exploring Data With Tables and Graphs

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 81

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

(Essay)

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Question 82

Attendance records at a school show the number of days each student was absent during the year. The days absent for each student were as follows. 0 2 3 4 2 3 4 6 7 2 3 4 6 9 8 $Attendance records at a school show the number of days each student was absent during the year. The days absent for each student were as follows. \begin{array} { l l l l l l l l l l l l l l l } 0 & 2 & 3 & 4 & 2 & 3 & 4 & 6 & 7 & 2 & 3 & 4 & 6 & 9 & 8 \end{array}$

(Multiple Choice)

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Question 83

Use the data to create a stemplot. -Twenty-four workers were surveyed about how long it takes them to travel to work each day. The data below are given in minutes. 20 35 42 52 65 20 60 49 24 37 23 24 22 20 41 25 28 27 50 47 58 30 32 48

(Multiple Choice)

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Question 84

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

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Question 85

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. Charges \ Frequency

(Essay)

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Question 86

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

(Multiple Choice)

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Question 87

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

(Multiple Choice)

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Question 88

Use the data to create a stemplot. -The midterm test scores for the seventh-period typing class are listed below. \begin{tabular} { | l l l l l l l l l l l l l l l l } \hline 85 & 77 & 93 & 91 & 74 & 65 & 68 & 97 & 88 & 59 & 74 & 83 & 85 & 72 & 63 & 79 \end{tabular}

(Multiple Choice)

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Question 89

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 90

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

(Multiple Choice)

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Question 91

Use the data to create a stemplot. -The normal monthly precipitation (in inches) for August is listed for 39 different U.S. cities. Construct an expanded stemplot with about 9 rows. 3.5 1.6 2.4 3.7 4.1 3.9 1.0 3.6 1.7 0.4 3.2 4.2 4.1 4.2 3.4 3.7 2.2 1.5 4.2 3.4 2.7 4.0 2.0 0.8 3.6 3.7 0.4 3.7 2.0 3.6 3.8 1.2 4.0 3.1 0.5 3.9 0.1 3.5 3.4

(Multiple Choice)

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Question 92

Solve the problem. -120 casino patrons, were interviewed as they left the casino. 36 of them said they spent most of the time playing the slots. 36 of them said they played blackjack. 18 said they played craps. 6 said roulette. 6 said poker. The rest Were not sure what they played the most. Construct a Pareto chart to depict the gaming practices of the group of Casino goers. Choose the vertical scale so that the relative frequencies are represented.

(Multiple Choice)

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Question 93

The following figures represent Jennifer's monthly charges 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 4 classes. Charges Frequency

(Essay)

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Question 94

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)

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Question 95

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

(Essay)

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Question 96

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. Which of these choices display the correct Pareto chart?

(Multiple Choice)

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Question 97

Solve the problem. -A car dealer is deciding what kinds of vehicles he should order from the factory. He looks at his sales report for the preceding period. Choose the vertical scale so that the relative frequencies are represented. Vehicle Sales Economy 20 Sports 5 Family 35 Luxury 10 Truck 30 $Solve the problem. -A car dealer is deciding what kinds of vehicles he should order from the factory. He looks at his sales report for the preceding period. Choose the vertical scale so that the relative frequencies are represented. \begin{array}{r|r} \text { Vehicle } & \text { Sales } \\ \hline \text { Economy } & 20 \\ \text { Sports } & 5 \\ \text { Family } & 35 \\ \text { Luxury } & 10 \\ \text { Truck } & 30 \end{array} Construct a Pareto chart to help him decide.$ Construct a Pareto chart to help him decide.

(Multiple Choice)

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Question 98

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

(Multiple Choice)

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Question 99

(Multiple Choice)

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Question 100

Showing 81 - 100 of 132

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?

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

Use the data to create a stemplot. -Twenty-four workers were surveyed about how long it takes them to travel to work each day. The data below are given in minutes. 20 35 42 52 65 20 60 49 24 37 23 24 22 20 41 25 28 27 50 47 58 30 32 48

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

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. Charges \ Frequency

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

Use the data to create a stemplot. -The midterm test scores for the seventh-period typing class are listed below. \begin{tabular} { | l l l l l l l l l l l l l l l l } \hline 85 & 77 & 93 & 91 & 74 & 65 & 68 & 97 & 88 & 59 & 74 & 83 & 85 & 72 & 63 & 79 \end{tabular}

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 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

The following figures represent Jennifer's monthly charges 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 4 classes. Charges Frequency

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?

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. Which of these choices display the correct Pareto chart?

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

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