Test the claim that the mean GPA of night students is smaller than 2.7 at the 0.025 significance level.   Based on a sample of 75 people, the sample mean GPA was 2.66 with a standard deviation of 0.08 The test statistic is: ___________ (to 2 decimals) The p-value is: ________ (to 2 decimals) Based on this we: a)Fail to reject the null hypothesis b) Reject the null hypothesis

A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
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Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
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Test the claim that the mean GPA of night students is smaller than 2.7 at the 0.025 significance level.

 

Based on a sample of 75 people, the sample mean GPA was 2.66 with a standard deviation of 0.08

The test statistic is: ___________ (to 2 decimals)

The p-value is: ________ (to 2 decimals)

Based on this we:

a)Fail to reject the null hypothesis

b) Reject the null hypothesis

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