Find the mean for the given frequency distribution. -$\begin{array}{c|c} \text { Value } & \text { Frequency } \\ \hline 15 & 1 \\ 19 & 6 \\ 23 & 2 \\ 27 & 4 \\ 35 & 3 \end{array}$

A) 27.7 B) $24.3$ C) $23.3$ D) $7.4$ A) 27.7 B) $24.3$ C) $23.3$ D) $7.4$

Find the median for the given sample data. -The normal monthly precipitation (in inches)for August is listed for 20 different U.S. cities. Find the median of the data. $\begin{array} { l l l l l } 3.5 & 1.6 & 2.4 & 3.7 & 4.1 \end{array}$ $\begin{array} { l l l l l } 3.9 & 1.0 & 3.6 & 4.2 & 3.4 \end{array}$ $\begin{array} { l l l l l } 3.7 & 2.2 & 1.5 & 4.2 & 3.4 \end{array}$ $\begin{array} { l l l l l } 2.7 & 0.4 & 3.7 & 2.0 & 3.6 \end{array}$

A) $2.94 \mathrm { in }$. B) $3.50 \mathrm { in }$. C) $3.40 \mathrm { in }$. D) $3.45 \mathrm { in }$. A) $2.94 \mathrm { in }$. B) $3.50 \mathrm { in }$. C) $3.40 \mathrm { in }$. D) $3.45 \mathrm { in }$.

Find the median for the given sample data. -In ten trips to Las Vegas, a person had the following net gains: $\begin{array} { l l l l l } \$ 1730 & \$ 2685 & \$ 4237 & \$ 6343 & \$ 1629 \end{array}$ $\$ 2261 \$ 6091 \$ 7842 \quad \$ 6849 \quad \$ 4643$ Find the median net gain.

A) $4440.00 B) $4924.39 C) $4237 D) $4431.50 A) $4440.00 B) $4924.39 C) $4237 D) $4431.50

Suppose that you want to construct a graph to represent the following data. $\begin{array} { c c } \text { Blood Type } & \text { Frequency } \\ \hline \text { O } & 90 \\ \text { A } & 84 \\ \text { B } & 18 \\ \text { AB } & 8 \end{array}$ If you are mostly interested in the number of people in each category as a percentage of the total number of people, would a bar chart or a pie chart be more useful? Explain your thinking.

A pie chart would be more useful. A pie

Exam 12: Statistics

Solve the problem. -Sixteen workers were surveyed about how long it takes them to travel to work each day. The data below are given in minutes. Represent the data in a double-stem display. 2035422024372324 2220412528273032

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Question 41

Construct the specified histogram. -In a survey, 20 voters were asked their age. The results are summarized in the frequency table below. Construct a histogram . Age of voters Number of voters 20-29 5 30-39 5 40-49 6 50-59 0 60-69 4 $Construct the specified histogram. -In a survey, 20 voters were asked their age. The results are summarized in the frequency table below. Construct a histogram . \begin{array} { c | c } \begin{array} { r } \text { Age of } \\ \text { voters } \end{array} & \begin{array} { r } \text { Number of } \\ \text { voters } \end{array} \\ \hline 20 - 29 & 5 \\ 30 - 39 & 5 \\ 40 - 49 & 6 \\ 50 - 59 & 0 \\ 60 - 69 & 4 \end{array}$

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Question 42

Find the indicated probability. -The table shows the percentage of college students who prefer a given pizza topping. What is the probability that a randomly selected junior prefers meat toppings? Round to the nearest hundredth.

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Question 43

In a school survey, students showed these preferences for instructional materials. Answer the question. -About how many students would you expect to prefer radio in a school of 600 students?

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Question 44

Answer the question. -The bar graph below shows the number of students by major in the College of Arts and Sciences. Did twice as many students major in History as in Science?

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Question 45

Provide an appropriate response. -Explain how two data sets could have equal means and modes but still differ greatly. Give an example with two data sets to illustrate.

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Question 46

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Find the mean for the given frequency distribution. - Value Frequency 15 1 19 6 23 2 27 4 35 3

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Question 47

Find the median for the given sample data. -The normal monthly precipitation (in inches)for August is listed for 20 different U.S. cities. Find the median of the data. 3.5 1.6 2.4 3.7 4.1 3.9 1.0 3.6 4.2 3.4 3.7 2.2 1.5 4.2 3.4 2.7 0.4 3.7 2.0 3.6

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Question 48

Find the mode or modes. -Last year, nine employees of an electronics company retired. Their ages at retirement are listed below. Find the mode(s). 54 61 62 51 56 63 $68 \quad 58 \quad 52$

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Question 49

Use the graph to answer the question. - Mike decides to buy shares of companies X and Y, which were initially selling for the same price. The changes in each stock's value over 90 days are shown in the graph above. Using the trend of The graph at 90 days, do you expect the value of Stock X to increase or decrease over the upcoming Days?

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Question 50

Construct a frequency polygon. - Hours worked per day Number of employees 2-3 5 4-5 15 6-7 50 8-9 25 10-11 5 $Construct a frequency polygon. - \begin{array}{l|c} \begin{array}{l} \text { Hours worked } \\ \text { per day } \end{array} & \begin{array}{c} \text { Number of } \\ \text { employees } \end{array} \\ \hline 2-3 & 5 \\ 4-5 & 15 \\ 6-7 & 50 \\ 8-9 & 25 \\ 10-11 & 5 \end{array}$

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Question 51

Use this graph to answer the question. -What were the total sales for the first 6 months of 2009?

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Question 52

Find the mean for the given sample data. Unless otherwise specified, round your answer to one more decimal place than that used for the observations. -The Wellspring Company's fleet of trucks get 19, 12, 16, 8, 16, 9, and 25 miles per gallon. What is the mean miles per gallon for the fleet? Round to the nearest whole number.

(Multiple Choice)

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Question 53

Construct the specified histogram. -The ages of the voters at a poll during a 20-minute period are listed below. Use five classes with a uniform width of 10 years, where the lower limit of the first class is 20 years. 35294863643821234168 61424347333746272330 $Construct the specified histogram. -The ages of the voters at a poll during a 20-minute period are listed below. Use five classes with a uniform width of 10 years, where the lower limit of the first class is 20 years. \begin{array} { l } 35294863643821234168 \\ 61424347333746272330 \end{array}$

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Question 54

Find the median. -41, 14, 7, 7, 28, 13, 27, 32, 33, 31

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Question 55

Find the mean for the given sample data. Unless otherwise specified, round your answer to one more decimal place than that used for the observations. -Last year, nine employees of an electronics company retired. Their ages at retirement are listed below. Find the mean retirement age. 52 67 66 52 64 58 59 57 51

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Question 56

In a school survey, students showed these preferences for instructional materials. Answer the question. -About how many students would you expect to prefer films in a school of 1000 students?

(Multiple Choice)

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Question 57

useful for comparing the size of each category with the whole (ie the proportion of the whole population falling in each category). A bar graph is more useful for comparing the sizes of different categories with each other. Find the mean of the set of data. -13, 12, 2, 4, 10, 15, 7, 9

(Multiple Choice)

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Question 58

Find the median for the given sample data. -In ten trips to Las Vegas, a person had the following net gains: \ 1730 \ 2685 \ 4237 \ 6343 \ 1629 $\$ 2261 \$ 6091 \$ 7842 \quad \$ 6849 \quad \$ 4643$ Find the median net gain.

(Multiple Choice)

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Question 59

Suppose that you want to construct a graph to represent the following data. Blood Type Frequency O 90 A 84 B 18 AB 8 If you are mostly interested in the number of people in each category as a percentage of the total number of people, would a bar chart or a pie chart be more useful? Explain your thinking.

(Essay)

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Question 60

Showing 41 - 60 of 152

Solve the problem. -Sixteen workers were surveyed about how long it takes them to travel to work each day. The data below are given in minutes. Represent the data in a double-stem display. 2035422024372324 2220412528273032

Find the indicated probability. -The table shows the percentage of college students who prefer a given pizza topping. What is the probability that a randomly selected junior prefers meat toppings? Round to the nearest hundredth.

In a school survey, students showed these preferences for instructional materials. Answer the question. -About how many students would you expect to prefer radio in a school of 600 students?

Answer the question. -The bar graph below shows the number of students by major in the College of Arts and Sciences. Did twice as many students major in History as in Science?

Provide an appropriate response. -Explain how two data sets could have equal means and modes but still differ greatly. Give an example with two data sets to illustrate.

Find the mean for the given frequency distribution. - Value Frequency 15 1 19 6 23 2 27 4 35 3

Find the median for the given sample data. -The normal monthly precipitation (in inches)for August is listed for 20 different U.S. cities. Find the median of the data. 3.5 1.6 2.4 3.7 4.1 3.9 1.0 3.6 4.2 3.4 3.7 2.2 1.5 4.2 3.4 2.7 0.4 3.7 2.0 3.6

Find the mode or modes. -Last year, nine employees of an electronics company retired. Their ages at retirement are listed below. Find the mode(s). 54 61 62 51 56 63 $68 \quad 58 \quad 52$

Use this graph to answer the question. -What were the total sales for the first 6 months of 2009?

Find the median. -41, 14, 7, 7, 28, 13, 27, 32, 33, 31

In a school survey, students showed these preferences for instructional materials. Answer the question. -About how many students would you expect to prefer films in a school of 1000 students?

useful for comparing the size of each category with the whole (ie the proportion of the whole population falling in each category). A bar graph is more useful for comparing the sizes of different categories with each other. Find the mean of the set of data. -13, 12, 2, 4, 10, 15, 7, 9

Find the median for the given sample data. -In ten trips to Las Vegas, a person had the following net gains: \ 1730 \ 2685 \ 4237 \ 6343 \ 1629 $\$ 2261 \$ 6091 \$ 7842 \quad \$ 6849 \quad \$ 4643$ Find the median net gain.

The Art of Problem Solving

The Basic Concepts of Set Theory

Introduction to Logic

Numeration Systems

Number Theory

The Real Numbers and Their Representations

The Basic Concepts of Algebra

Graphs, Functions, and Systems of Equations and Inequalities

Geometry

Counting Methods

Probability

Personal Financial Management

Trigonometry Formerly

Graph Theory

Voting and Apportionment

Filters

Exam 12: Statistics

Solve the problem. -Sixteen workers were surveyed about how long it takes them to travel to work each day. The data below are given in minutes. Represent the data in a double-stem display. 2035422024372324 2220412528273032

Construct the specified histogram. -In a survey, 20 voters were asked their age. The results are summarized in the frequency table below. Construct a histogram . Age of voters Number of voters 20-29 5 30-39 5 40-49 6 50-59 0 60-69 4

Find the indicated probability. -The table shows the percentage of college students who prefer a given pizza topping. What is the probability that a randomly selected junior prefers meat toppings? Round to the nearest hundredth.

In a school survey, students showed these preferences for instructional materials. Answer the question. -About how many students would you expect to prefer radio in a school of 600 students?

Answer the question. -The bar graph below shows the number of students by major in the College of Arts and Sciences. Did twice as many students major in History as in Science?

Provide an appropriate response. -Explain how two data sets could have equal means and modes but still differ greatly. Give an example with two data sets to illustrate.

Find the mean for the given frequency distribution. - Value Frequency 15 1 19 6 23 2 27 4 35 3

Find the median for the given sample data. -The normal monthly precipitation (in inches)for August is listed for 20 different U.S. cities. Find the median of the data. 3.5 1.6 2.4 3.7 4.1 3.9 1.0 3.6 4.2 3.4 3.7 2.2 1.5 4.2 3.4 2.7 0.4 3.7 2.0 3.6

Find the mode or modes. -Last year, nine employees of an electronics company retired. Their ages at retirement are listed below. Find the mode(s). 54 61 62 51 56 63 68585268 \quad 58 \quad 52685852

Construct a frequency polygon. - Hours worked per day Number of employees 2-3 5 4-5 15 6-7 50 8-9 25 10-11 5

Use this graph to answer the question. -What were the total sales for the first 6 months of 2009?

Construct the specified histogram. -The ages of the voters at a poll during a 20-minute period are listed below. Use five classes with a uniform width of 10 years, where the lower limit of the first class is 20 years. 35294863643821234168 61424347333746272330

Find the median. -41, 14, 7, 7, 28, 13, 27, 32, 33, 31

In a school survey, students showed these preferences for instructional materials. Answer the question. -About how many students would you expect to prefer films in a school of 1000 students?

useful for comparing the size of each category with the whole (ie the proportion of the whole population falling in each category). A bar graph is more useful for comparing the sizes of different categories with each other. Find the mean of the set of data. -13, 12, 2, 4, 10, 15, 7, 9

Find the median for the given sample data. -In ten trips to Las Vegas, a person had the following net gains: \ 1730 \ 2685 \ 4237 \ 6343 \ 1629 $2261$6091$7842$6849$4643\$ 2261 \$ 6091 \$ 7842 \quad \$ 6849 \quad \$ 4643$2261$6091$7842$6849$4643 Find the median net gain.

The Art of Problem Solving

The Basic Concepts of Set Theory

Introduction to Logic

Numeration Systems

Number Theory

The Real Numbers and Their Representations

The Basic Concepts of Algebra

Graphs, Functions, and Systems of Equations and Inequalities

Geometry

Counting Methods

Probability

Personal Financial Management

Trigonometry Formerly

Graph Theory

Voting and Apportionment

Filters

Find the mode or modes. -Last year, nine employees of an electronics company retired. Their ages at retirement are listed below. Find the mode(s). 54 61 62 51 56 63 $68 \quad 58 \quad 52$

Find the median for the given sample data. -In ten trips to Las Vegas, a person had the following net gains: \ 1730 \ 2685 \ 4237 \ 6343 \ 1629 $\$ 2261 \$ 6091 \$ 7842 \quad \$ 6849 \quad \$ 4643$ Find the median net gain.