A manufacturer’s process for analyzing aspirin tablets has a known variance of 25. A sample of ten aspirin tablets is selected and analyzed for the amount of aspirin, yielding the following results: 254, 249, 252, 252, 249, 249, 250, 247, 251, and 252. Determine whether there is any evidence that the measurement process is not under statistical control at a = 0.05.'

MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
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Chapter1: Starting With Matlab
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A manufacturer’s process for analyzing aspirin tablets has a known variance of 25. A sample of ten aspirin tablets is selected and analyzed for the amount of aspirin, yielding the following results: 254, 249, 252, 252, 249, 249, 250, 247, 251, and 252. Determine whether there is any evidence that the measurement process is not under statistical control at a = 0.05.'
 
 
 
 
 
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