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: 27

Answer

This is a systematic sample, where the sample is every 15th customer.

Work Step by Step

This is a systematic sample, where the sample is every 15th customer. The customer base is his sample population since he only asks people who come in the store.
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