Question 1

Which of the following illustrations represents a circle graph?

Accepted Answer

A)    
B)    
C)    
D)    
E)    
A)    
B)    
C)    
D)    
E)    E

Question 2

Find the mean of the list of data.
12, 14, 16, 16, 14, 12

Accepted Answer

A)  15 
B)  13 
C)  16 
D)  17 
E)  14 
A)  15 
B)  13 
C)  16 
D)  17 
E)  14 E

Question 3

Find the mean of the list of data.
46, 62, 42, 32, 85, 57, 96, 104

Accepted Answer

A)  64.5 
B)  68.5 
C)  66.5 
D)  65.5 
E)  67.5 
A)  64.5 
B)  68.5 
C)  66.5 
D)  65.5 
E)  67.5 D

Question 4

To study the effect of fluoride in preventing tooth decay, researchers counted the number of fillings in the teeth of 28 patients and recorded these results:
5, 7, 16, 21, 16, 23, 17, 8, 12, 3, 9, 2, 8, 17, 12, 19, 14, 10, 13, 8, 14, 15, 14, 14, 6, 10, 12, 11
Create a table to tally the results.

Accepted Answer

A)  Number of fillings Frequency 1-5 3
6-10 9
11-15 12
16-20 7
21-25 2 
B)  Number of fillings Frequency 1-5 2
6-10 8
11-15 12
16-20 5
21-25 2 
C)  Number of fillings Frequency 1-5 3
6-10 8
11-15 12
16-20 5
21-25 1 
D)  Number of fillings Frequency 1-5 12
6-10 9
11-15 12
16-20 7
21-25 3 
E)  Number of fillings Frequency 1-5 3
6-10 8
11-15 10
16-20 5
21-25 2 
A)  Number of fillings Frequency 1-5 3
6-10 9
11-15 12
16-20 7
21-25 2 
B)  Number of fillings Frequency 1-5 2
6-10 8
11-15 12
16-20 5
21-25 2 
C)  Number of fillings Frequency 1-5 3
6-10 8
11-15 12
16-20 5
21-25 1 
D)  Number of fillings Frequency 1-5 12
6-10 9
11-15 12
16-20 7
21-25 3 
E)  Number of fillings Frequency 1-5 3
6-10 8
11-15 10
16-20 5
21-25 2

Question 5

Refer to the pictograph.
How much more money did parents spend than children?

Accepted Answer

A)  $150 
B)  $105 
C)  $175 
D)  $180 
E)  $145 
A)  $150 
B)  $105 
C)  $175 
D)  $180 
E)  $145

Question 6

Which of the following illustrations is a pictograph?

Accepted Answer

A)    
B)    
C)    
D)    
E)    
A)    
B)    
C)    
D)    
E)

Question 7

Use the following bar graph to find the average number of therms of natural gas used per month.

Accepted Answer

The answer of Use the following bar graph to find...

Question 8

To the nearest two million, how many people in the world speak French?
Is it possible to use circle graphs in this case?

Accepted Answer

A)  True 
B)  False 
A)  True 
B)  False

Question 9

Find the mode of these values:
4, 4, 8, 8, 4, 7, 8, 4

Accepted Answer

A)  4 
B)  7 
C)  5.5 
D)  8 
E)  3 
A)  4 
B)  7 
C)  5.5 
D)  8 
E)  3

Question 10

Assume that the probability that an airplane engine will fail a test is $\frac { 1 } { 2 }$ and that the aircraft in question has 4 engines. What is the sample space for the problem? Use N for not fail and F for fail.

Accepted Answer

NNNN, NNNF, NNFN, NF

Question 11

Roberto received the same score on each of five exams, and his mean score is 84. Find his median score and his modal score.

Accepted Answer

A)  median 79, mode 74 
B)  median 89, mode 89 
C)  median 84, mode 84 
D)  median 74, mode 74 
E)  median 89, mode 79 
A)  median 79, mode 74 
B)  median 89, mode 89 
C)  median 84, mode 84 
D)  median 74, mode 74 
E)  median 89, mode 79

Question 12

Which of the following illustrations is a frequency polygon?

Accepted Answer

A)    
B)    
C)    
D)    
E)    
A)    
B)    
C)    
D)    
E)

Question 13

What is the event " getting an odd number and a tails " for the experiment of rolling a die and then tossing a coin?

Accepted Answer

A)  E = { (1, H), (3, H), (5, H) } 
B)  E = { (2, T), (4, T), (6, T) } 
C)  E = { (2, H), (4, H), (6, H) } 
D)  E = { (1, T), (3, T), (5, T) } 
A)  E = { (1, H), (3, H), (5, H) } 
B)  E = { (2, T), (4, T), (6, T) } 
C)  E = { (2, H), (4, H), (6, H) } 
D)  E = { (1, T), (3, T), (5, T) }

Question 14

Find the mean of the list of data.
48, 67, 44, 37, 80, 52, 92, 108

Accepted Answer

A)  65 
B)  64 
C)  67 
D)  66 
E)  68 
A)  65 
B)  64 
C)  67 
D)  66 
E)  68

Question 15

Find the median of the list of data.
0, 0, 4, 7, 0 , 0, 4, 7, 9

Accepted Answer

A)  0 
B)  7 
C)  3 
D)  4 
E)  9 
A)  0 
B)  7 
C)  3 
D)  4 
E)  9

Question 16

The class results on a mathematical quiz are shown in the table below. Find the average number of incorrect answers on the quiz.
$\begin{array} { | c | c | } 
\hline \begin{array} { c } 
\text { Total number } \
\text { of incorrect } \
\text { answers on } \
\text { the quiz }
\end{array} & \begin{array} { c } 
\text { Number } \
\text { of students }
\end{array} \
\hline 0 & 4 \
\hline 1 & 4 \
\hline 2 & 8 \
\hline 3 & 10 \
\hline 4 & 1 \
\hline
\end{array}$

Accepted Answer

A)  2 
B)  5.4 
C)  9 
D)  1.8 
A)  2 
B)  5.4 
C)  9 
D)  1.8

Question 17

Which of the following is the sample set for an experiment which involves tossing three coins?

Accepted Answer

A)  HHH, TTT 
B)  HHH, HHT, HTT, TTT 
C)  HHH, HHT, HTH, THH, TTT 
D)  HHH, HHT, HTH, THH, TTH, THT, HTT, TTT 
A)  HHH, TTT 
B)  HHH, HHT, HTT, TTT 
C)  HHH, HHT, HTH, THH, TTT 
D)  HHH, HHT, HTH, THH, TTH, THT, HTT, TTT

Question 18

Refer to the line graph.
At what times (A, B, C or D) do you find the following conditions: runner 1 running and runner 2 stopped?

Accepted Answer

A)  B only 
B)  D only 
C)  C and D 
D)  B and D 
E)  A and B 
A)  B only 
B)  D only 
C)  C and D 
D)  B and D 
E)  A and B

Question 19

Balls numbered from 1 to 38 are placed in a container and stirred. If one is drawn at random, what is the probability that the number is a prime number?

Accepted Answer

A)  $\frac { 6 } { 19 }$ 
B)  $\frac { 9 } { 19 }$ 
C)  $\frac { 20 } { 38 }$ 
D)  $\frac { 13 } { 38 }$ 
A)  $\frac { 6 } { 19 }$ 
B)  $\frac { 9 } { 19 }$ 
C)  $\frac { 20 } { 38 }$ 
D)  $\frac { 13 } { 38 }$

Question 20

Refer to the pie graph that shows the world's languages and the percentages of the population that speak them.
What percentage of the world's population does not speak either Chinese or German?

Accepted Answer

A)  97.6% 
B)  81.1% 
C)  90.2% 
D)  4.8% 
E)  91.6% 
A)  97.6% 
B)  81.1% 
C)  90.2% 
D)  4.8% 
E)  91.6%

Which of the following illustrations represents a circle graph?

Find the mean of the list of data. 12, 14, 16, 16, 14, 12

Find the mean of the list of data. 46, 62, 42, 32, 85, 57, 96, 104

To study the effect of fluoride in preventing tooth decay, researchers counted the number of fillings in the teeth of 28 patients and recorded these results: 5, 7, 16, 21, 16, 23, 17, 8, 12, 3, 9, 2, 8, 17, 12, 19, 14, 10, 13, 8, 14, 15, 14, 14, 6, 10, 12, 11 Create a table to tally the results.

Refer to the pictograph. How much more money did parents spend than children?

Which of the following illustrations is a pictograph?

Use the following bar graph to find the average number of therms of natural gas used per month.

To the nearest two million, how many people in the world speak French? Is it possible to use circle graphs in this case?

Find the mode of these values: 4, 4, 8, 8, 4, 7, 8, 4

Assume that the probability that an airplane engine will fail a test is $\frac { 1 } { 2 }$ and that the aircraft in question has 4 engines. What is the sample space for the problem? Use N for not fail and F for fail.

Roberto received the same score on each of five exams, and his mean score is 84. Find his median score and his modal score.

Which of the following illustrations is a frequency polygon?

What is the event " getting an odd number and a tails " for the experiment of rolling a die and then tossing a coin?

Find the mean of the list of data. 48, 67, 44, 37, 80, 52, 92, 108

Find the median of the list of data. 0, 0, 4, 7, 0 , 0, 4, 7, 9

The class results on a mathematical quiz are shown in the table below. Find the average number of incorrect answers on the quiz. Total number of incorrect answers on the quiz Number of students 0 4 1 4 2 8 3 10 4 1

Which of the following is the sample set for an experiment which involves tossing three coins?

Refer to the line graph. At what times (A, B, C or D) do you find the following conditions: runner 1 running and runner 2 stopped?

Balls numbered from 1 to 38 are placed in a container and stirred. If one is drawn at random, what is the probability that the number is a prime number?

Refer to the pie graph that shows the world's languages and the percentages of the population that speak them. What percentage of the world's population does not speak either Chinese or German?

Whole Numbers

The Integers

Fractions and Mixed Numbers

Decimals

Ratio, Proportion, and Measurement

Percent

An Introduction to Algebra

An Introduction to Geometry

Filters

Exam 7: Graphs, Statistics, and Probability

Which of the following illustrations represents a circle graph?

Find the mean of the list of data. 12, 14, 16, 16, 14, 12

Find the mean of the list of data. 46, 62, 42, 32, 85, 57, 96, 104

To study the effect of fluoride in preventing tooth decay, researchers counted the number of fillings in the teeth of 28 patients and recorded these results: 5, 7, 16, 21, 16, 23, 17, 8, 12, 3, 9, 2, 8, 17, 12, 19, 14, 10, 13, 8, 14, 15, 14, 14, 6, 10, 12, 11 Create a table to tally the results.

Refer to the pictograph. How much more money did parents spend than children?

Which of the following illustrations is a pictograph?

Use the following bar graph to find the average number of therms of natural gas used per month.

To the nearest two million, how many people in the world speak French? Is it possible to use circle graphs in this case?

Find the mode of these values: 4, 4, 8, 8, 4, 7, 8, 4

Assume that the probability that an airplane engine will fail a test is 12\frac { 1 } { 2 }21​ and that the aircraft in question has 4 engines. What is the sample space for the problem? Use N for not fail and F for fail.

Roberto received the same score on each of five exams, and his mean score is 84. Find his median score and his modal score.

Which of the following illustrations is a frequency polygon?

What is the event " getting an odd number and a tails " for the experiment of rolling a die and then tossing a coin?

Find the mean of the list of data. 48, 67, 44, 37, 80, 52, 92, 108

Find the median of the list of data. 0, 0, 4, 7, 0 , 0, 4, 7, 9

The class results on a mathematical quiz are shown in the table below. Find the average number of incorrect answers on the quiz. Total number of incorrect answers on the quiz Number of students 0 4 1 4 2 8 3 10 4 1

Which of the following is the sample set for an experiment which involves tossing three coins?

Refer to the line graph. At what times (A, B, C or D) do you find the following conditions: runner 1 running and runner 2 stopped?

Balls numbered from 1 to 38 are placed in a container and stirred. If one is drawn at random, what is the probability that the number is a prime number?

Refer to the pie graph that shows the world's languages and the percentages of the population that speak them. What percentage of the world's population does not speak either Chinese or German?

Whole Numbers

The Integers

Fractions and Mixed Numbers

Decimals

Ratio, Proportion, and Measurement

Percent

An Introduction to Algebra

An Introduction to Geometry

Filters

Assume that the probability that an airplane engine will fail a test is $\frac { 1 } { 2 }$ and that the aircraft in question has 4 engines. What is the sample space for the problem? Use N for not fail and F for fail.