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    A department store accepts three types of credit cards

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    A department store accepts three types of credit cards: MC, Visa and their own. The sales management is interested in finding out whether there is a difference in the mean amounts charged by the customers on the 3 cards. A random sample of 18 credit card purchases (rounded) revealed the following amounts. At the 0.05 significance level, can we conclude that there is a difference in the mean amounts charged per purchase on the 3 cards?

    MC: $61, $28, $42, $33, $51, $56

    V: $85, $56, $44, $72, $98, $56, $72

    Store: $61, $,25, $42, $31, $29

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    Solution Preview

    Tiedke's Department Store accepts three types of credit cards: Master Card, Visa, and their own store card. The sales manager is interested in finding out whether there is a difference in the mean amounts charged by customers on the three cards. A random sample of 18 credit card purchases (rounded to the nearest dollar) revealed the following amounts. At the 0.05 significance level, can we conclude that there is a difference in the mean amounts charged per purchase on the ...

    Solution Summary

    This solution provides calculations to determine whether we can conclude that there is a difference in the mean amounts charged on each card. The answer is provided in Word and Excel.

    $2.19

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