The quality control department at Food Town Inc., a grocery chain in upstate New York, conducts a
Question:
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 significancelevel.
Transcribed Image Text:
Undercharge Overcharge Correct price Regular Price 20 15 200 Advertised Special Price 10 30 225
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Related Book For
Statistical Techniques in Business and Economics
ISBN: 978-0078020520
16th edition
Authors: Douglas Lind, William Marchal
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