EBK INTRODUCTION TO THE PRACTICE OF STA
EBK INTRODUCTION TO THE PRACTICE OF STA
8th Edition
ISBN: 9781319116828
Author: Moore
Publisher: VST
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Chapter 12, Problem 12E

(a)

To determine

Whether the assumption of equal standard deviation should be used to analyze the provided data.

(b)

To determine

To find: The variances for the three groups.

(c)

To determine

To find: The pooled variances.

(d)

To determine

To find: The pooled standard deviation.

(e)

To determine

To explain: The reason for sp to be closer to s3 than other standard deviations.

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