Answered: Allstate Batteries advertises and sells…

Name: Allstate Batteries advertises and sells a 4 year (48 1 Consumer Digest
Uploaded: 2024-03-20T07:07:12.000Z
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Description: Allstate Batteries advertises and sells a 4 year (48 1 Consumer Digest, a consumer advocacy organization have been receiving months ) battery . You work at complaints from consumers who felt they were not receiving their full 48 months . Test Allstat

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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Allstate Batteries advertises and sells a 4 year (48 1 Consumer Digest, a consumer advocacy organization have been receiving months ) battery . You work at complaints from consumers who felt they were not receiving their full 48 months . Test Allstate's claim that these are 48 month batteries at the 5% level of significance . You have tested a sample of 36 cars and found a mean of 45months and a standard deviation of 1 month . State the appropriate hypotheses from the consumers ' point of view , show drawing and appropriate critical value , compute the appropriate test statistic , accept (fail to reject)/rei reject the null hypothesis and draw conclusion . Do you believe the batteries are as advertised ?

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