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Calculate the average lifetime ( usage in hours) of Brand X battery and Brand Y battery

Calculate the average lifetime ( usage in hours) of Brand X battery and Brand Y battery

MATLAB: An Introduction with Applications
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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Calculate the average lifetime ( usage in hours) of Brand X battery and Brand Y battery

A consumers'organization is planning a study of the various brands of batteries that are available. As part of its planning, it measures lifetime (how long a battery can be used before it must be replaced) for each of 9 batteries of Brand X and 8 batteries of Brand Y. The battery lives for each brand are shown in the given table. Brand 72 hrs 74 70 75 76 73 75 76 75 Brand Y 73 hrs 70 73 74 76 77 75 74
Transcribed Image Text:A consumers'organization is planning a study of the various brands of batteries that are available. As part of its planning, it measures lifetime (how long a battery can be used before it must be replaced) for each of 9 batteries of Brand X and 8 batteries of Brand Y. The battery lives for each brand are shown in the given table. Brand 72 hrs 74 70 75 76 73 75 76 75 Brand Y 73 hrs 70 73 74 76 77 75 74
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