TExES Core Subjects 4-8: Summarizing Data Chapter Exam

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!

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Question 1 1. Simple random sampling is usually done _____.

Question 2 2.

Find the first quartile for the following data set:

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

Question 3 3.

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 4 4.

Find the interquartile range for the following data set:

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

Question 5 5. What is the largest mathematical value in a data set?

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Question 6 6. When a data set has two different modes, it is known as what type of distribution?

Question 7 7. During the first four Summer Olympic games attended by the United States, these medal counts were awarded. Calculate the range number of medals won during these Olympic Games.

Question 8 8. What is the difference between the upper quartile value and the lower quartile value?

Question 9 9. How far a set of numbers are spread out is known as:

Question 10 10. What is the smallest mathematical value in a data set?

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Question 11 11.

Find the population variance of the following data set:

11, 12, 55, 4, 17, 13, 19

Question 12 12. A statistician makes a graph, which includes a shape that's almost mirrored perfectly across a line, but not quite. How should we describe the shape?

Question 13 13.

What is the variance of the data set below?

3, 7, 9, 11, 11, 11, 15, 17, 18, 24

Question 14 14. What do we call areas in a data set where no observations have been made?

Question 15 15. A researcher is studying a population, and decides to use simple random sampling. Why might they have made this decision?

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Question 16 16. When a data set is visually symmetrical, what occurs all at the same point?

Question 17 17.

Find the sample variance of the following data set:

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

Question 18 18. What is a group of values and/or means that divide a data set into quarters, or groups of four?

Question 19 19. 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.)

Question 20 20. Which of the following terms best describes the distribution in the chart below?

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Question 21 21.

What is the minimum in the data set?

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

Question 22 22. During the first four Summer Olympic games attended by the United States, these medal counts were awarded. Calculate the mode number of medals won during these Olympic Games.

Question 23 23. What is the difference between the upper quartile value and the lower quartile value?

Question 24 24. What is the measure of how far the numbers in a data set are away from the mean or the median?

Question 25 25. When a data set has a single mode, it is known to have what type of distribution?

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Question 26 26. During the first four Summer Olympic games attended by the United States, these medal counts were awarded. If there is an outlier, identify it from the number of medals won during these Olympic Games.

Question 27 27. What are three methods you can use to find the spread in data?

Question 28 28. During the first four Summer Olympic games attended by the United States, these medal counts were awarded. Calculate the median number of medals won during these Olympic Games.

Question 29 29. A graph that peaks to the left or the right of the center is known as _____.

Question 30 30. What is the name for all the members of a specified group?

TExES Core Subjects 4-8: Summarizing Data 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!

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