Thank you! 13

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 U Total Excellent 18 116 Satisfactory 231 Unsatisfactory 0o Total 130 111 139 380 What is your conclusion? H Opinion and brand are independent Opinion and brand are not independent Cannot determine