Statistics (12th Edition)

Published by Pearson
ISBN 10: 0321755936
ISBN 13: 978-0-32175-593-3

Chapter 2 - Methods for Describing Sets of Data - Exercises 2.48 - 2.70 - Understanding the Principles - Page 56: 2.51

Answer

1. The size of the sample. The larger the sample, the more accurate the estimate will tend to be. 2. The variability, or spread, of the data. All other factors remaining constant, the more variable the data, the less accurate the estimate will be.

Work Step by Step

See definition above.
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