Intro Stats
Intro Stats
4th Edition
ISBN: 9780321825278
Author: Richard D. De Veaux, Paul F. Velleman, David E. Bock
Publisher: PEARSON
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Chapter 21, Problem 19E

a.

To determine

Explain the summary that helps to decide whether the online company offers cheaper insurance.

b.

To determine

Explain the reason why the standard deviation of the price difference is smaller than the standard deviation of the price quoted by the local and online company.

c.

To determine

Check whether the assumptions for the hypothesis test have been satisfied.

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