Basic Statistics: Tales of Distributions 10th Edition

Published by Cengage Learning
ISBN 10: 0-49580-891-1
ISBN 13: 978-0-49580-891-6

Chapter 9 - Hypothesis Testing and Effect Size: One-Sample Designs - Problems: 9.7

Answer

The student probably did not have a random sample of tortilla chips. They probably went to a store and bought the chips off the shelf. It is likely, therefore, that the bags of chips all came from the same batch filled at the plant.

Work Step by Step

This batch will probably contain chips filled at about the same time and at the same location. Therefore, it is not representative of all chips produced by the company.
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