# Probability and Statistics

# Range Exercises

### Example 1

Find the range of the following list of test scores. You may want to order each list first.

50, 60, 75, 85, 86, 86, 87.

### Example 2

Find the range of the following list of test scores. You may want to order each list first.

98, 32, 60, 54, 78, 80, 54, 78, 77, 89.

### Example 3

Find the range of the following list of test scores. You may want to order each list first.

60, 55, 76, 80, 84, 90, 78, 92.

### Example 4

Everyone got the same letter grade on the test. Which of the following is more likely to be true?

(a) The range of the test scores was 5.

(b) The range of the test scores was 50.