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    Correlation or relationships

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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 regular priced items and specially priced items. Use the .01 significance level.

    regular priced specially priced

    undercharge 20 10
    overcharge 15 30
    correct price 200 225

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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 thereis any relationship between error rates on regular priced items and specially priced items. Use the .01 ...

    Solution Summary

    This solution calculates the relationship between error rates on regular priced items and specially priced items.

    $2.19

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