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MTEL Mathematics (Elementary): 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!

Page 1

Question 1 1. What do we call a value that is much smaller or larger than the other values in a data set?

Question 2 2.

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 3 3.

Find the standard deviation for the following data set:

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

Question 4 4. What are three methods you can use to find the spread in data?

Question 5 5. What is the midpoint value of a data set, where the values are arranged in ascending or descending order?

Page 2

Question 6 6. You have a set of numbers you are working with to provide some data. You add them all up and divide that sum by the total number of values in your set. What statistic did you just produce?

Question 7 7. The mean of an original data set is 5. After linear transformation, the mean of the data set is now 20. Which of the following equations is a possible representation of the linear transformation?

Question 8 8. When a variable is multiplied by a constant and then added to a constant, this is known as what?

Question 9 9. What is the difference between the upper quartile value and the lower quartile value?

Question 10 10. What is the sum of the numbers in a data set divided by the total number of values in the data set?

Page 3

Question 11 11.

Find the sample variance of the following data set:

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

Question 12 12. What is the measure of how far the numbers in a data set are away from the mean or the median?

Question 13 13. 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 14 14.

What is the variance of the data set below?

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

Question 15 15. What is the smallest mathematical value in a data set?

Page 4

Question 16 16.

For the following data set, select the best method for summarizing the data.

3, 3, 4, 5, 2, 9, 5, 2, 3, 4

Question 17 17.

Find the standard deviation for the following data set:

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

Question 18 18.

Find the variance for the following data set:

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

Question 19 19. With what kind of value set does the mean provide the best representation?

Question 20 20. A part of a population used to describe the whole group is known as:

Page 5

Question 21 21. To find the median of a set of values, what is the first thing one must do?

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. 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 24 24.

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

Page 6

Question 26 26. Left tailed is the same as what?

Question 27 27.

Find the first quartile for the following data set:

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

Question 28 28. Which of the following is not a valid dispersion amount?

Question 29 29. If a data set undergoes a linear transformation with positive values of a and b, why might both the mean and the standard deviation of the data set increase?

Question 30 30. What is a value that is much larger or smaller than the other values in a data set, or a value that lies outside the given data set?

MTEL Mathematics (Elementary): 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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