﻿ Measure of Variation Worksheet | Problems & Solutions # Measure of Variation Worksheet

Measure of Variation Worksheet
• Page 1
1.
Find the interquartile range of these 11 scores: 10, 12, 12, 15, 16, 17, 18, 19, 21, 21, 22. a. 13.5 b. 9 c. 6.5 d. 20

2.
The number of games won by a famous basketball team each year from the year 1991 to the year 2000 are 25, 30, 25, 50, 40, 75, 40, 50, 35, and 40. Find the interquartile range for the given data. a. 22.5 b. 20 c. 20.5 d. 40

3.
Find the interquartile range from the given box-and-whisker plot.  a. 5 b. 7.5 c. 3.5 d. 4

4.
The box-and-whisker plot shows the earnings (in dollars) of a daily wage earner. Find the interquartile range.  a. 150 b. 25 c. 125 d. 75

5.
The owner of a super market recorded the number of customers who came into his store each hour for one day. The results were 15, 10, 12, 9, 18, 5, 8, 9, 15, 10, and 11. Find the interquartile range. a. 9 b. 6 c. 15 d. 10

6.
Find the range of the data set.
16, 73, 28, 12, 59, 68, 27, 70, 25, and 53 a. 36 b. 61 c. 37 d. 58

7.
Find the range of the data set.
40, 8, 36, 36, 63, 40, 25, 64, and 18 a. 28 b. 22 c. 44 d. 56

8.
Find the range of the data set.
8, 10, 13, 14, 23, 83, 26 a. 18 b. 8 c. 26 d. 75

9.
Find the range of the data set.
3, 4, 2, 3, 5, 4, 3, 5 and 2 a. 5 b. 2 c. 4 d. 3 a. 16 b. 17 c. 18 d. 19