Mathematical Statistics with Applications
Mathematical Statistics with Applications
7th Edition
ISBN: 9780495110811
Author: Dennis Wackerly, William Mendenhall, Richard L. Scheaffer
Publisher: Cengage Learning
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Chapter 14.5, Problem 29E

a.

To determine

State whether the data provide sufficient evidence to indicate a difference in the proportions with lung disease for four locations.

b.

To determine

State whether the cigarette smokers have been excluded from the samples, also, explain whether it would affect the inferences drawn from the data.

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