Statistics: Informed Decisions Using Data (4th Edition)

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

Chapter 1 - Section 1.4 - Assess Your Understanding - Vocabulary and Skill Building - Page 36: 9



Work Step by Step

Suppose you want to know the opinion about the last show of a certain rock band. The individuals that will voluntarily answer a survey are the ones who like the band, so that is not a representative sample. You should pay for heterogeneous professional musicians (rock, jazz, blues, soul music, etc.) to watch the show and make them participate in the survey.
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