Probability and Statistics for Engineers and Scientists, Updated 9th Edition, by Pearson

Appendix B

Answers to Odd-Numbered Non-Review Exercises

Chapter 1

1.1 (a) Sample size = 15

(b) Sample mean = 3.787

(c) Sample median = 3.6

(e)

(f) They are about the same.

1.3 (b) Yes, the aging process has reduced the tensile strength.

(c)

(d) The means and medians are similar for each group.

1.5 (b)

(c) The extreme value of 37 in the treatment ...