Question

ective than the would like to demorstrate thar sheir weighe loss prouhect is more market leader each) and ask them to record their weight loss (in pound) atisfied with the program They enroll 60 randomly selected adults in the teo ystens (30 and whether or not they are s Product Market Leader 18 38 1.2 9. Would a one- or two-tailed test be appropriate here? a) It was likely a one-tailed test, since we're looking for evidence that either is more effective b) It was likely a one-tailed test, sinoe we're only looking for evidence in one di c) It was likely a two-tailed test, since we're looking for evidence that either is more effective. d) It was likely a two-tailed test, since we're only looking for evidence in one 10. Caleulate the test statistic for the difference of two proportions a) z - e) none of these 11. What may we conclude in the above test for an -001? a) Because the p-value is small, there is enough evidence to reject the null and conclade that customers were significantly more satisfied with the company's product. customers were significantly more satisfiod with the company's product. cannot conclude that customers were significantly more satisfied with the company's b) Because the p-value is large, there is enough evidence to reject the null and conclude that c) Because the p-value is small, there is not enough evidence to reject the null and we product d) Because the p-value is large, there is not enough evidence to reject the null and we cannot c) None of the above 12. Calculate the test statistic for the difference of two averages conclude that customers were significantly more satisfied with the company's product b) t = d eNone of these

Answer 1

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