Thank you! 12

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 Total Excellent 116 Satisfactory 231 Unsatisfactory Total 130 111 139 380 What is the value of the sample test statistic? O x2 = 19.00 O x2 = 9.49 OF = 0.10 O x2 = 11.91