Elementary Statistics: A Step-by-Step Approach with Formula Card 9th Edition

Published by McGraw-Hill Education
ISBN 10: 0078136334
ISBN 13: 978-0-07813-633-7

Chapter 2 - Frequency Distributions and Graphs - 2-1 Organizing Data - Extending the Concepts - Page 53: 27

Answer

Yes. This survey did not specify the population and sampling method. How many people were surveyed, how were these people chosen, any randomization? The results are suspicious of being biased (voluntary response) and non-representative.

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