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 7.2, Problem 71E

(a)

Section 1:

To determine

To graph: Representation of Neutral group’s prices.

Section 2:

To determine

To graph: The representation of sad group’s prices.

To determine

Whether t-procedures are appropriate for the provided observations.

(b)

Section 1:

To determine

To find: A table of sample size, mean, and standard deviation for neutral group.

Section 2:

To determine

To find: A table of sample size, mean, and standard deviation for sad group.

(c)

To determine

To find: The appropriate null and alternative hypothesis for comparison of mean of the two groups.

(d)

To determine

To test: The equality of means for a significance level of α=0.05.

(e)

To determine

A 95% confidence interval for difference of mean purchase price between neutral and sad groups.

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Chapter 7 Solutions

EBK INTRODUCTION TO THE PRACTICE OF STA

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