Fundamentals of Math

Fundamentals of Mathematics

Chapter 7 Practice Quiz 1. Find the mean of the data set 19, 35, 19, 36, 30, and 36.

6. Which value is larger in the dataset 26, 74, 71, 26, 51, and 46, the mean, median, or mode? a. Mean b. Median c. Mode d. Both (a) and (b) 7. Which of the following values could you add to the dataset (57, 62, 75, and 81) so that the median of the dataset becomes 75?

a. 26 b. 27 c. 30 d. 36

2. What is the mode of the following dataset: 5, 8, 10, 15, and 17?

a. 10 b. 11 c. 12 d. There is no mode.

a. 57 b. 65 c. 72 d. 103

3. Which of the following datasets contains a mean of 15?

a. 11, 11, 13, 15, 20 b. 5, 11, 14, 14, 31 c. 11, 12, 14, 19, 20 d. 6, 10, 14, 15, 15

8. Find the mode from these test results: 90, 80, 77, 86, 90, 91, 77, 66, 69, 65, 43, 65, 75, 43, 90.

a. 43 b. 77 c. 65 d. 90

4. Which word best describes the middlemost value in a data set when the values are listed in numerical order? a. Mean b. Median c. Mode d. Middle

9. Which value should you add to the dataset (40, 92, 95, and 84) so that the mean of the dataset is equal to 71?

a. 44 b. 64 c. 71 d. 91

5. What is the mode of the following dataset: 3, 3, 3, 5, 5, and 5?

a. 3 b. 4 c. 5 d. 3 and 5

10. What is the median of the dataset 4, 6, 7, 9, 10, and 11? a. 5 b. 7.5

c. 8 d. 9

Answer Key on Page 125

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