Construct a stem-and-leaf plot for the following data. $\begin{array} { l l l l l l l l l l } \hline 28 & 20 & 54 & 52 & 26 & 17 & 31 & 53 & 40 & 20 \\ 51 & 20 & 28 & 58 & 40 & 10 & 25 & 43 & 40 & 54 \\ \hline \end{array}$

A) $\begin{array} { l | l } \hline 1 & 07 \\ 2 & 000568 \\ 3 & 18 \\ 4 & 0003 \\ 5 & 123448 \end{array}$ B) $\begin{array} { l | l } \hline 1 & 07 \\ 2 & 0005688 \\ 3 & 1 \\ 4 & 0003 \\ 5 & 123448 \end{array}$ C) $\begin{array} { l | l } \hline 1 & 07 \\ 2 & 0005688 \\ 3 & 1 \\ 4 & 0003 \\ 5 & 13448 \\ 6 & 2 \end{array}$ D) $\begin{array} { l | l } \hline 1 & 07 \\ 2 & 0005688 \\ 3 & 1 \\ 4 & 000 \\ 5 & 1233448 \end{array}$ A) $\begin{array} { l | l } \hline 1 & 07 \\ 2 & 000568 \\ 3 & 18 \\ 4 & 0003 \\ 5 & 123448 \end{array}$ B) $\begin{array} { l | l } \hline 1 & 07 \\ 2 & 0005688 \\ 3 & 1 \\ 4 & 0003 \\ 5 & 123448 \end{array}$ C) $\begin{array} { l | l } \hline 1 & 07 \\ 2 & 0005688 \\ 3 & 1 \\ 4 & 0003 \\ 5 & 13448 \\ 6 & 2 \end{array}$ D) $\begin{array} { l | l } \hline 1 & 07 \\ 2 & 0005688 \\ 3 & 1 \\ 4 & 000 \\ 5 & 1233448 \end{array}$

The following frequency distribution presents the frequency of passenger vehicles that pass through a certain intersection from 8:00 AM to 9:00 AM on a particular day. \[\begin{array} { c c } \hline \text { Vehicle Type } & \text { Frequency } \\ \hline \text { Motorcycle } & 15 \\ \text { Sedan } & 80 \\ \text { SUV } & 88 \\ \text { Truck } & 34 \\ \hline \end{array}\] What is the relative frequency of the Motorcyle category?

A) 0.069 B) 15 C) 0.17 D) 15% A) 0.069 B) 15 C) 0.17 D) 15%

The following frequency distribution presents the frequency of passenger vehicles that pass through a certain intersection from 8:00 AM to 9:00 AM on a particular day. \[\begin{array} { c c } \hline \text { Vehicle Type } & \text { Frequency } \\ \hline \text { Motorcycle } & 7 \\ \text { Sedan } & 63 \\ \text { SUV } & 84 \\ \text { Truck } & 30 \\ \hline \end{array}\] Construct a relative frequency distribution for the data.

A) $\begin{array} { c c } \text { Vehicle Type } & \text { Relative Frequency } \\ \hline \text { Motorcycle } & 0.038 \\ \text { Sedan } & 0.342 \\ \text { SUV } & 0.457 \\ \text { Truck } & 0.163 \end{array}$ B) $\begin{array} { c c } \text { Vehicle Type } & \text { Relative Frequency } \\ \hline \text { Motorcycle } & 0.07 \\ \text { Sedan } & 0.63 \\ \text { SUV } & 0.84 \\ \text { Truck } & 0.3 \end{array}$ C) $\begin{array} { c c } \text { Vehicle Type } & \text { Relative Frequency } \\ \hline \text { Motorcycle } & 0.038 \% \\ \text { Sedan } & 0.342 \% \\ \text { SUV } & 0.457 \% \\ \text { Truck } & 0.163 \% \end{array}$ D) $\begin{array} { c c } \text { Vehicle Type } & \text { Relative Frequency } \\ \hline \text { Motorcycle } & 0.083 \\ \text { Sedan } & 0.75 \\ \text { SUV } & 1 \\ \text { Truck } & 0.357 \end{array}$ A) $\begin{array} { c c } \text { Vehicle Type } & \text { Relative Frequency } \\ \hline \text { Motorcycle } & 0.038 \\ \text { Sedan } & 0.342 \\ \text { SUV } & 0.457 \\ \text { Truck } & 0.163 \end{array}$ B) $\begin{array} { c c } \text { Vehicle Type } & \text { Relative Frequency } \\ \hline \text { Motorcycle } & 0.07 \\ \text { Sedan } & 0.63 \\ \text { SUV } & 0.84 \\ \text { Truck } & 0.3 \end{array}$ C) $\begin{array} { c c } \text { Vehicle Type } & \text { Relative Frequency } \\ \hline \text { Motorcycle } & 0.038 \% \\ \text { Sedan } & 0.342 \% \\ \text { SUV } & 0.457 \% \\ \text { Truck } & 0.163 \% \end{array}$ D) $\begin{array} { c c } \text { Vehicle Type } & \text { Relative Frequency } \\ \hline \text { Motorcycle } & 0.083 \\ \text { Sedan } & 0.75 \\ \text { SUV } & 1 \\ \text { Truck } & 0.357 \end{array}$

Exam 2: Graphical Summaries of Data

The following frequency distribution presents the frequency of passenger vehicles that pass through a certain intersection from 8:00 AM to 9:00 AM on a particular day. Vehicle Type Frequency Motorcycle 12 Sedan 54 SUV 26 Truck 64 Construct a pie chart for the data.

(Multiple Choice)

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Question 21

The following table presents the purchase totals (in dollars) of a random sample of gasoline purchases at a convenience store. Construct a frequency distribution using a class width of 10, and using 0 as the lower class limit for the first Class. 76.59 48.55 93.66 60.17 39.10 93.28 65.43 34.12 80.41 77.16 80.07 93.46 39.19 43.84 44.70 68.74 89.98 6.97 52.86 68.93

(Multiple Choice)

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Question 22

Helium prices: The cost of grade A Helium gas in 2003 was around $60/Mcf. Five years later it reached around $115/Mcf. Which of the following graphs accurately represents the magnitude of the Increase? Which one exaggerates it?

(Multiple Choice)

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Question 23

Classify the histogram as unimodal or bimodal.

(Multiple Choice)

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Question 24

Thirty households were surveyed for the number of televisions in each home. Following are the results. 0 1 0 2 3 0 0 0 0 5 4 1 0 0 0 4 0 5 1 0 0 0 0 3 1 1 0 0 0 0 Construct a frequency histogram.

(Multiple Choice)

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Question 25

Construct a stem-and-leaf plot for the following data. 28 20 54 52 26 17 31 53 40 20 51 20 28 58 40 10 25 43 40 54

(Multiple Choice)

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Question 26

The following frequency distribution presents the weights in pounds (lb) of a sample of visitors to a health clinic. Clinic Visitor Weights Weight (lb) Frequency 120-129 4 130-139 13 140-149 23 150-159 42 160-169 32 170-179 24 180-189 9 190-199 3 Construct a relative frequency histogram.

(Multiple Choice)

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Question 27

The amounts 3 and 4 are compared. Which of the following graphical displays are the least misleading?

(Multiple Choice)

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Question 28

The following pie chart presents the percentages of fish caught in each of four ratings categories. Match this pie chart with its corresponding Pareto chart.

(Multiple Choice)

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Question 29

The following time-series plot presents the population growth (in percent) of a suburb of Atlanta, Georgia for each of the years 1990 through 2009. Estimate the amount by which the rate of growth Changed from 1,995 to 2,004.

(Multiple Choice)

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Question 30

Following are the numbers of Dean's List students in a random sample of 20 university courses. Construct a dotplot for these data. 9 2 0 0 4 2 0 0 4 0 4 2 0 0 5 6 1 2 0 4

(Multiple Choice)

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Question 31

Construct a dotplot for the following data. 3.94 3.93 3.98 3.91 4.03 3.95 4.01 3.98 3.91 3.97 3.94 3.94 4.04 3.96 4.02 3.91 3.91 3.99 3.91 3.93

(Multiple Choice)

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Question 32

Chocolate or vanilla: The following bar graph shows the number of chocolate and vanilla ice cream cones sold during the annual county fair for the years 2013 - 2017. Does the graph present an accurate picture of the difference between chocolate and vanilla cones sold? Or is it misleading? Explain.

(Short Answer)

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Question 33

The following frequency distribution presents the frequency of passenger vehicles that pass through a certain intersection from 8:00 AM to 9:00 AM on a particular day. Vehicle Type Frequency Motorcycle 15 Sedan 80 SUV 88 Truck 34 What is the relative frequency of the Motorcyle category?

(Multiple Choice)

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Question 34

The following table presents the purchase totals (in dollars) of a random sample of gasoline purchases at a convenience store. Construct a relative frequency histogram using a class width of 10, and using 0 as the lower class limit for the First class. 51.13 6.11 36.05 22.27 94.54 49.64 52.78 79.28 51.88 6.29 33.57 53.92 24.91 23.89 79.10 14.86 63.94 15.87 76.44 60.96

(Multiple Choice)

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Question 35

The following table presents the purchase totals (in dollars) of a random sample of gasoline purchases at a convenience store. Construct a relative frequency distribution using a class width of 10, and using 0 as the lower class limit for the First class. 57.46 27.21 6.12 97.99 68.22 28.97 39.41 77.56 37.06 73.09 88.82 61.29 93.24 65.96 42.37 94.38 7.67 16.95 71.17 65.37

(Multiple Choice)

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Question 36

Following is a pie chart that presents the percentages spent by a certain household on its five largest annual expenditures. What percentage of the money spent was spent on food, housing, and utilities?

(Multiple Choice)

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Question 37

The following table presents the purchase totals (in dollars) of a random sample of gasoline purchases at a convenience store. Construct a frequency histogram using a class width of 10, and using 0 as the lower class limit for the first Class. 69 55 17 55 81 66 99 44 34 79 22 83 91 15 35 53 74 40 55 49

(Multiple Choice)

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Question 38

One hundred students are shown an eight-digit number on a piece of cardboard for three seconds and are asked to then recite the number from memory. The process is repeated until the student accurately recites the Entire number from memory. The following histogram presents the number of trials it took each student to Memorize the number. How many students memorized the number in three trials or less?

(Multiple Choice)

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Question 39

The following frequency distribution presents the frequency of passenger vehicles that pass through a certain intersection from 8:00 AM to 9:00 AM on a particular day. Vehicle Type Frequency Motorcycle 7 Sedan 63 SUV 84 Truck 30 Construct a relative frequency distribution for the data.

(Multiple Choice)

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Question 40

The following frequency distribution presents the frequency of passenger vehicles that pass through a certain intersection from 8:00 AM to 9:00 AM on a particular day. Vehicle Type Frequency Motorcycle 12 Sedan 54 SUV 26 Truck 64 Construct a pie chart for the data.

Helium prices: The cost of grade A Helium gas in 2003 was around $60/Mcf. Five years later it reached around $115/Mcf. Which of the following graphs accurately represents the magnitude of the Increase? Which one exaggerates it?

Classify the histogram as unimodal or bimodal.

Thirty households were surveyed for the number of televisions in each home. Following are the results. 0 1 0 2 3 0 0 0 0 5 4 1 0 0 0 4 0 5 1 0 0 0 0 3 1 1 0 0 0 0 Construct a frequency histogram.

Construct a stem-and-leaf plot for the following data. 28 20 54 52 26 17 31 53 40 20 51 20 28 58 40 10 25 43 40 54

The following frequency distribution presents the weights in pounds (lb) of a sample of visitors to a health clinic. Clinic Visitor Weights Weight (lb) Frequency 120-129 4 130-139 13 140-149 23 150-159 42 160-169 32 170-179 24 180-189 9 190-199 3 Construct a relative frequency histogram.

The amounts 3 and 4 are compared. Which of the following graphical displays are the least misleading?

The following pie chart presents the percentages of fish caught in each of four ratings categories. Match this pie chart with its corresponding Pareto chart.

The following time-series plot presents the population growth (in percent) of a suburb of Atlanta, Georgia for each of the years 1990 through 2009. Estimate the amount by which the rate of growth Changed from 1,995 to 2,004.

Following are the numbers of Dean's List students in a random sample of 20 university courses. Construct a dotplot for these data. 9 2 0 0 4 2 0 0 4 0 4 2 0 0 5 6 1 2 0 4

Construct a dotplot for the following data. 3.94 3.93 3.98 3.91 4.03 3.95 4.01 3.98 3.91 3.97 3.94 3.94 4.04 3.96 4.02 3.91 3.91 3.99 3.91 3.93

Chocolate or vanilla: The following bar graph shows the number of chocolate and vanilla ice cream cones sold during the annual county fair for the years 2013 - 2017. Does the graph present an accurate picture of the difference between chocolate and vanilla cones sold? Or is it misleading? Explain.

The following frequency distribution presents the frequency of passenger vehicles that pass through a certain intersection from 8:00 AM to 9:00 AM on a particular day. Vehicle Type Frequency Motorcycle 15 Sedan 80 SUV 88 Truck 34 What is the relative frequency of the Motorcyle category?

Following is a pie chart that presents the percentages spent by a certain household on its five largest annual expenditures. What percentage of the money spent was spent on food, housing, and utilities?

The following frequency distribution presents the frequency of passenger vehicles that pass through a certain intersection from 8:00 AM to 9:00 AM on a particular day. Vehicle Type Frequency Motorcycle 7 Sedan 63 SUV 84 Truck 30 Construct a relative frequency distribution for the data.

Basic Ideas

Numerical Summaries of Data

Summarizing Bivariate Data

Probability

Discrete Probability Distributions

The Normal Distribution

Confidence Intervals

Hypothesis Testing

Two-Sample Confidence Intervals

Two-Sample Hypothesis Tests

Tests With Qualitative Data

Inference in Linear Models

Analysis of Variance

Nonparametric Statistics

Filters