Find the median for the given sample data. -The weight in pounds of ten randomly-selected football players are: $\begin{array} { l l l l l } 245 & 304 & 310 & 251 & 195 \end{array}$ $\begin{array} { l l l l l } 185 & 230 & 264 & 315 & 196 \end{array}$ Find the mode of these weights.

A) no mode B) 253 lb C) 246 lb D) 251 lb A) no mode B) 253 lb C) 246 lb D) 251 lb

Find the indicated probability. -A relative frequency distribution is given below for the size of families in one U.S. city. $\begin{array} { l c } \text { Size } & \text { Relative frequency } \\ \hline 2 & 0.402 \\ 3 & 0.242 \\ 4 & 0.209 \\ 5 & 0.098 \\ 6 & 0.029 \\ 7 + & 0.020 \end{array}$ A family is selected at random. Find the probability that the size of the family is between 2 and 5 inclusive. Round your answer to three decimal places.

A) 0.951 B) 0.5 C) 0.853 D) 0.451 A) 0.951 B) 0.5 C) 0.853 D) 0.451

Find the mean for the given frequency distribution. -$\begin{array}{c|c} \text { Value } & \text { Frequency } \\ \hline 16 & 3 \\ 21 & 14 \\ 25 & 8 \\ 29 & 17 \\ 34 & 7 \end{array}$

A) 28.3 B) $26.0$ C) $2.6$ D) $27.1$ A) 28.3 B) $26.0$ C) $2.6$ D) $27.1$

Find the median for the given frequency distribution. -$\begin{array}{c|c} \text { Value } & \text { Frequency } \\ \hline 20 & 4 \\ 30 & 6 \\ 40 & 5 \\ 50 & 3 \\ 80 & 1 \end{array}$

A) 40 B) 44 C) 30 D) 35 A) 40 B) 44 C) 30 D) 35

Find the median for the given sample data. -The weights (in ounces)of 21 cookies are shown. Find the median weight. $\begin{array} { l l l l l l l } 0.77 & 1.49 & 0.63 & 1.62 & 0.69 & 0.84 & 1.04 \end{array}$ $\begin{array} { l l l l l l l l } 1.49 & 1.53 & 0.96 & 0.77 & 1.15 & 1.44 & 0.64 \end{array}$ $\begin{array} { l l l l l l l } 0.47 & 1.15 & 0.84 & 1.44 & 1.72 & 0.69 & 0.56 \end{array}$

A) $0.64$ ounces B) $1.49$ ounces C) $0.96$ ounces D) $0.80$ ounces A) $0.64$ ounces B) $1.49$ ounces C) $0.96$ ounces D) $0.80$ ounces

Exam 12: Statistics

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 students in Hugh Logan's math class took the Scholastic Aptitude Test. Their math scores are shown below. Find the mean score.

(Multiple Choice)

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Question 101

Find the median for the given sample data. -The weight in pounds of ten randomly-selected football players are: 245 304 310 251 195 185 230 264 315 196 Find the mode of these weights.

(Multiple Choice)

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Question 102

In a school survey, students showed these preferences for instructional materials. Answer the question. -How many degrees are in the central angle for the "Computer" sector?

(Multiple Choice)

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(71)

Question 103

This double-bar graph shows the number of male (M)and female (F)athletes at a university over a four-year period. Answer the question. -Has the total number of students involved in athletics increased each year?

(Multiple Choice)

4.9/5

(76)

Question 104

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 normal monthly precipitation (in inches)for August is listed for 20 different U.S. cities. Find the mean monthly precipitation. 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

(Multiple Choice)

4.9/5

(91)

Question 105

Find the indicated probability. -A relative frequency distribution is given below for the size of families in one U.S. city. Size Relative frequency 2 0.402 3 0.242 4 0.209 5 0.098 6 0.029 7+ 0.020 A family is selected at random. Find the probability that the size of the family is between 2 and 5 inclusive. Round your answer to three decimal places.

(Multiple Choice)

4.8/5

(89)

Question 106

Find the mean for the given frequency distribution. - Value Frequency 16 3 21 14 25 8 29 17 34 7

(Multiple Choice)

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Question 107

Shortly before an election, a market research firm took a poll to find out whether people were planning to vote for or against a particular ballot measure. The results are shown below. Position Frequency Against 3087 In favor 3691 Undecided 910 The ballot measure will pass if a simple majority (more than 50%)vote in favor of the measure. You wish to construct a graph to represent the data. It should be easy to see from your graph whether more than 50% of the people are planning to vote in favor of the measure. Which graph would be more useful, a bar graph or a pie chart? Explain your thinking.

(Essay)

4.9/5

(82)

Question 108

This double-bar graph shows the number of male (M)and female (F)athletes at a university over a four-year period. Answer the question. -Which year had the greatest number of female athletes?

(Multiple Choice)

4.7/5

(66)

Question 109

Find the indicated probability. -A relative frequency distribution is given below for the size of families in one U.S. city. Size Relative frequency 2 0.416 3 0.238 4 0.198 5 0.092 6 0.039 7+ 0.017 A family is selected at random. Find the probability that the size of the family is less than 5. Round your answer to three decimal places.

(Multiple Choice)

4.8/5

(77)

Question 110

This double-bar graph shows the number of male (M)and female (F)athletes at a university over a four-year period. Answer the question. -Which year had the greatest number of male athletes?

(Multiple Choice)

4.8/5

(79)

Question 111

Use this graph to answer the question. -Which month in 2009 had the lowest sales?

(Multiple Choice)

4.9/5

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Question 112

Find the mode or modes. -5, 9, 42, 3, 2, 8, 91, 1, 4, 16

(Multiple Choice)

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(84)

Question 113

Solve the problem. -Bengisu was pregnant 270 days and 261 days for her first two pregnancies. In order for Bengisu's average pregnancy to equal a national average of 269 days, how long must her third pregnancy Last?

(Multiple Choice)

4.8/5

(74)

Question 114

Find the median for the given frequency distribution. - Value Frequency 20 4 30 6 40 5 50 3 80 1

(Multiple Choice)

4.9/5

(79)

Question 115

Find the median for the given sample data. -The weights (in ounces)of 21 cookies are shown. Find the median weight. 0.77 1.49 0.63 1.62 0.69 0.84 1.04 1.49 1.53 0.96 0.77 1.15 1.44 0.64 0.47 1.15 0.84 1.44 1.72 0.69 0.56

(Multiple Choice)

4.9/5

(86)

Question 116

Use this graph to answer the question. -What month in 2009 had the highest sales?

(Multiple Choice)

4.8/5

(82)

Question 117

Use the graph to answer the question. - Mike decides to buy shares of companies A, B, and C, which were initially selling for the same price. The changes in each stock's value are shown in the graph above. At its peak, stock A was Valued at approximately how much more than either B or C?

(Multiple Choice)

4.9/5

(82)

Question 118

Explain in your own words the difference between a bar graph and a histogram. Give an example of data for which you might use a histogram and an example of data for which you might use a bar graph.

(Essay)

4.9/5

(76)

Question 119

Use the graph to answer the question. - Mike decides to buy shares of companies A, B, and C, which were initially selling for the same price. The changes in each stock's value are shown in the graph above. After how many days did Stock C's value go below $20?

(Multiple Choice)

4.9/5

(79)

Question 120

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 students in Hugh Logan's math class took the Scholastic Aptitude Test. Their math scores are shown below. Find the mean score.

Find the median for the given sample data. -The weight in pounds of ten randomly-selected football players are: 245 304 310 251 195 185 230 264 315 196 Find the mode of these weights.

In a school survey, students showed these preferences for instructional materials. Answer the question. -How many degrees are in the central angle for the "Computer" sector?

This double-bar graph shows the number of male (M)and female (F)athletes at a university over a four-year period. Answer the question. -Has the total number of students involved in athletics increased each year?

Find the mean for the given frequency distribution. - Value Frequency 16 3 21 14 25 8 29 17 34 7

This double-bar graph shows the number of male (M)and female (F)athletes at a university over a four-year period. Answer the question. -Which year had the greatest number of female athletes?

This double-bar graph shows the number of male (M)and female (F)athletes at a university over a four-year period. Answer the question. -Which year had the greatest number of male athletes?

Use this graph to answer the question. -Which month in 2009 had the lowest sales?

Find the mode or modes. -5, 9, 42, 3, 2, 8, 91, 1, 4, 16

Solve the problem. -Bengisu was pregnant 270 days and 261 days for her first two pregnancies. In order for Bengisu's average pregnancy to equal a national average of 269 days, how long must her third pregnancy Last?

Find the median for the given frequency distribution. - Value Frequency 20 4 30 6 40 5 50 3 80 1

Find the median for the given sample data. -The weights (in ounces)of 21 cookies are shown. Find the median weight. 0.77 1.49 0.63 1.62 0.69 0.84 1.04 1.49 1.53 0.96 0.77 1.15 1.44 0.64 0.47 1.15 0.84 1.44 1.72 0.69 0.56

Use this graph to answer the question. -What month in 2009 had the highest sales?

Use the graph to answer the question. - Mike decides to buy shares of companies A, B, and C, which were initially selling for the same price. The changes in each stock's value are shown in the graph above. At its peak, stock A was Valued at approximately how much more than either B or C?

Explain in your own words the difference between a bar graph and a histogram. Give an example of data for which you might use a histogram and an example of data for which you might use a bar graph.

Use the graph to answer the question. - Mike decides to buy shares of companies A, B, and C, which were initially selling for the same price. The changes in each stock's value are shown in the graph above. After how many days did Stock C's value go below $20?

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

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