# TExES Physics/Math 7-12: Statistics Chapter Exam

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#### Question 1 1. What is the relative frequency of losses for the Bears rounded to the closest whole percent?

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Question 2
2.
Find the variance for the following data set:

16, 20, 14, 24, 16, 19, 30, and 8

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Question 3
3.
Find the range for one standard deviation in the following data set:

16, 20, 14, 24, 16, 19, 30, and 8

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Question 4
4.
Coach Bernard decides to see how many yards each of his players can kick a football. He has listed the resultant measurements in the following data set: 10, 12, 5, 8, 20, 22, 8, 11, 16, 27, 23, 6, 9, 24, 18, 16, 13, 21

Using this data set, create a cumulative frequency table. Based on the cumulative frequency table, how many players can kick fewer than 10 yards?

#### Question 5 5. How far a set of numbers are spread out is known as:

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#### Question 6 6. All the members of a specified group are known as:

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Question 7
7.
Find the sample variance of the following data set:

2, 3, 4, 7, 10, 1, 2

#### Question 8 8. What is the relative frequency of wins if a football team's record is 3 wins and 12 losses?

#### Question 9 9. In statistics, a sample:

#### Question 10 10. During the first four Summer Olympic games attended by the United States, these medal counts were awarded. Calculate the mean number of medals won during these Olympic Games. (Round it to the nearest whole number.)

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#### Question 11 11. What is a group of values and/or means that divide a data set into quarters, or groups of four?

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Question 12
12.
Susanne has a set of data she is using to create a histogram. If the set of numbers below is her data set, then which number in the data set will create the highest peak?

2,2,3,5,6,7,8,6,5,2,3,4,2,5,6,2

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Question 13
13.
Find the first quartile for the following data set:

7, 9, 13, 4, 18, 3, 9, 10, 15, 8, 2, 6, 9

#### Question 14 14. Which of the following describes the best approach to finding the median of an even set of numbers?

#### Question 15 15. The value that occurs the most frequently in a data set is known as the _____.

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Question 16
16.
Find the standard deviation for the following data set:

101, 106, 125, 142, 78, and 109

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Question 17
17.
Find the maximum in the data set:

27, 26, 33, 45, 38, 38, 58, 54, 19, 22, 31

#### Question 18 18. What is the smallest mathematical value in a data set?

#### Question 19 19. Using the following table, determine the percent increase in people who ride their bike to work.

#### Question 20 20. What is a measure that indicates what percent of the given population scored at or below the measure?

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Question 21
21.
Find the second quartile, or the median, for the following data set:

7, 9, 13, 4, 18, 3, 9, 10, 15, 8, 2, 6, 9

#### Question 22 22. What is a chart that shows the popularity or mode of a certain type of data based on the population sampled?

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Question 23
23.
What is the minimum in the data set?

105, 88, 93, 102, 97, 93, 96, 86, 88, 82, 79, 85, 77, 94, 91, 87

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Question 24
24.
The following data set represents the minimum wage for 1990-2000. Calculate the median.

8.25, 9.8, 7.25, 7.25, 7.25, 8.75, 8.44, 9.5, 9.6, 9.5

#### Question 25 25. What can we show using a histogram?

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#### Question 26 26. What is a graphical representation of the distribution of data?

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Question 27
27.
Jonathan knows he scored in the 25th percentile on his psychology test. The professor gives the students the following list of grades (without names):

51, 37, 87, 95, 99, 78, 63, 96, 68, 84, 92

Assuming that there are 11 students in the class, what was Jonathan's test score?

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Question 28
28.
Phyllis is also in Jonathan's psychology class. She knows she scored in the 90th percentile on his psychology test. The professor gives the students the following list of grades (without names):

51, 37, 87, 95, 99, 78, 63, 96, 68, 84, 92

Assuming that there are 11 students in the class, what was Phyllis's test score?

#### Question 29 29. Using this chart, determine the percent increase of bus riders.

#### Question 30 30. All of the students in Jasmine's class have had their height measured. Jasmine is the 12th tallest person out of 560 students. What percentile is Jasmine's height in?

#### TExES Physics/Math 7-12: Statistics Chapter Exam Instructions

Choose your answers to the questions and click 'Next' to see the next set of questions. You can skip questions if you would like and come back to them later with the yellow "Go To First Skipped Question" button. When you have completed the practice exam, a green submit button will appear. Click it to see your results. Good luck!