Algebra 1: Common Core (15th Edition)

Published by Prentice Hall
ISBN 10: 0133281140
ISBN 13: 978-0-13328-114-9

Chapter 12 - Data Analysis and Probability - 12-5 Samples and Surveys - Practice and Problem-Solving Exercises - Page 758: 36


The answers are below.

Work Step by Step

a) This is biased, since people leaving a bike repair store likely support bike paths. b) This gives an unbiased sample. c) This sample is most likely unbiased. d) This uses a systematic sampling method. Additionally, in my experience, people at local sandwich shops are more likely to ride bikes than the general population. Thus, this is biased.
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