Statistics (12th Edition)

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

Chapter 7 - Inferences Based on a Single Sample - Exercises 7.1 - 7.26 - Understanding the Principles: 7.3

Answer

Single number vs an interval is described below.

Work Step by Step

Point estimator is considered a single number calculated from the sample that estimates the target population parameter. On the other hand, the interval estimator is a formula that explains how to use the sample data to calculate an interval that estimates the target parameter.
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