The Basic Practice of Statistics
The Basic Practice of Statistics
8th Edition
ISBN: 9781319042578
Author: David S. Moore, William I. Notz, Michael A. Fligner
Publisher: W. H. Freeman
Question
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Chapter 18.1, Problem 1AYK

a.

To determine

To explain: Whether the statement, “for some products, the number of customers who purchase the product is small, so the margin of error will be large” is the most important reason or not.

b.

To determine

To explain: Whether the statement, “Many of the customers may not read their email or have a spam filter that wrongly identifies the email requesting a review as spam” is the most important or not.

c.

To determine

To explain: Whether the statement, “the customers who provide ratings can’t consider a random sample from the population of all customers who purchase a particular product” is the most important or not.

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