Statistics: Informed Decisions Using Data (4th Edition)

Published by Pearson
ISBN 10: 0321757270
ISBN 13: 978-0-32175-727-2

Chapter 1 - Section 1.5 - Assess Your Understanding - Vocabulary and Skill Building - Page 42: 11


(a) Response bias / Sampling bias. (b) They can provide a stratified sampling.

Work Step by Step

(a) Some women may not tell the truth (misrepresented answers). Also, this sample (readers=convenience sample) probably is not representative. (b) Divide the women in groups according to their incomes. Then, randomly select a sample from each group.
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