Section 5.4

Exercise Set D: 1, 2, 3, 4, 5

Section 5.5

Exercise Set E: 1, 2, 3

Section 5.6

Exercise Set F: 1

Section 6.5

Review Exercises: 1, 2, 3, 4, 5

Also: Suppose the following 20 birth weights (in ounces) were recorded at a maternity ward: 131, 120, 112, 88, 114, 128, 133, 104, 108, 94, 133, 124, 84, 132, 107, 144, 93, 114, 116, 120. Find the median, the the first and third sample quartiles, and the interquartile range.

Answers:

Median: 115; First quartile: 105.5; Third quartile: 129.5; Interquartile range: 24

Answers for Review Exercises on page 104:

1. False
2. (a) The tape may have stretched; the hook a the end may have moved. (b) Cloth (c) Yes
3. (a) False (b) False (c) True
4. 0.03 inches or so
5. (a) No (b) Nobody got the same answer twice; person-to-person variation