Question: A market research study was conducted to compare three different brands of antiperspirant. The results of the study are summarized below. Use a 5% level

A market research study was conducted to compare three different brands of antiperspirant. The results of the study are summarized below. Use a 5% level of significance and test the claim that opinion is independent of brand. Use these data to answer questions 12 and 13. Brand Opinion A B C Total Excellent 29 37 50 116 Satisfactory 83 65 83 231 Unsatisfactory 18 9 6 33 Total 130 111 139 380 What is your conclusion? Opinion and brand are independent Opinion and brand are not independent Cannot determine

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