The following output is from Excel. Executives rated the service they received in a variety of industries, Airlines, Retail, Hotel, and Automotive. Using an a = .01, test the claim that the executives view service quality as the same in each of these industries, against the notion that they do not. Anova: Single Factor SUMMARY GroupsCountSumAverageVariance Airlines736552.1428625.80952 Retail633756.1666723.76667 Hotel532865.623.3 Automotive525150.27.7 ANOVA Source of VariationSSdfMSFP-valueBetween Groups731.17913243.726411.644230.000148Within Groups397.69051920.93108 Total1128.8722

The question is about ANOVA Given : F = 11.64423 p value = 0.000148 To find : Test the claim…

Answered: The following output is from Excel.…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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Question

The following output is from Excel. Executives rated the service they received in a variety of industries, Airlines, Retail, Hotel, and Automotive. Using an a = .01, test the claim that the executives view service quality as the same in each of these industries, against the notion that they do not.

Anova: Single Factor

SUMMARY
Groups	Count	Sum	Average	Variance
Airlines	7	365	52.14286	25.80952
Retail	6	337	56.16667	23.76667
Hotel	5	328	65.6	23.3
Automotive	5	251	50.2	7.7


ANOVA
Source of Variation	SS	df	MS	F	P-value
Between Groups	731.1791	3	243.7264	11.64423	0.000148
Within Groups	397.6905	19	20.93108

Total	1128.87	22