A machine that produces ball bearings is set so that the average diameter is .50 inch. A
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A machine that produces ball bearings is set so that the average diameter is .50 inch. A sample of 10 ball bearings was measured, with the results shown here. Assuming that the standard deviation is .05 inch can we conclude at the 5% significance level that the mean diameter is not .50inch?
Transcribed Image Text:
48 .5049 .52 .53 48 .49 47 .46 .51
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Related Book For
Statistics For Management And Economics Abbreviated
ISBN: 9781285869643
10th Edition
Authors: Gerald Keller
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