Chapter 9.3, Problem 1LC

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8th Edition

Frederick J Gravetter + 1 other

ISBN: 9781133956570

Textbook Problem

If all other factors are held constant, an 80% confidence interval is wider than a 90% confidence interval. (True or false?)

To determine

**To check:** Whether the statement “If all other factors ae held constant, an 80% confidence interval is wider than a 90% confidence interval”.

Explanation

For gain of more confidence in estimate, the width of confidence interval needs to be increased. A larger level of confidence produces larger ...

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