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# Identify the value of the test statistic in the display

## Problem 4CQQ Chapter 12.3

Elementary Statistics | 12th Edition

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Elementary Statistics | 12th Edition

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Problem 4CQQ

Identify the value of the test statistic in the display included with Exercise. In general, do larger test statistics result in larger T-values, smaller P-values, or P-values that are unrelated to the value of the test statistic? Exercise Measures of Voltage? The author measured voltage amounts from three different sources: (1) electricity supplied directly to the author’s home, (2) an independent gas-powered Generac generator (model PP 5000), and (3) an uninterruptible power supply (APC model CS 350) connected to the author’s home power supply. The results from analysis of variance are shown below. What is the null hypothesis for this analysis of variance test? What specific result is used in deciding to reject ?H0? or fail to reject ?H0?? Based on the displayed results, should you reject ?H0? or fail to reject ?H0??

Step-by-Step Solution:

Solution 4CQQ Step 1: From the given information, the data is based on the measured voltage amounts from three different sources. Null hypothesis (H )0 The null hypothesis states that, the different sources have the same mean measured voltage amounts. Symbolically , H 0 1 = 2 3 Where , =1the mean measured voltage amounts of the source where electricity supplied directly to the author’s home. Similarly ,the mean measured voltage amounts of other two sources are and 2 3espectively.

Step 2 of 2

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