The quality control department at Food Town, Inc., a grocery chain in upstate New York, conducts a
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The quality control department at Food Town, Inc., a grocery chain in upstate New York, conducts a monthly check on the comparison of scanned prices to posted prices. The chart below summarizes the results of a sample of 500 items last month. Company management would like to know whether there is any relationship between error rates on regularly priced items and specially priced items. Use the .01 significance level.
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Related Book For 
Basic Statistics For Business And Economics
ISBN: 9780077230968
6th Edition
Authors: Douglas Lind, William Marchal, Samuel Wathen
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