Question

7 The publisher of a sports magazine plans to offer new subscribers one of three gifts: a sweatshirt with the logo of their favorite team, a coffee cup with the logo of their favorite team, or a pair of earrings also with the logo of their favorite team. In a sample of 431 new subscribers, the number selecting each gift is reported below. At the 0.02 significance level, is there a preference for the gifts or should we conclude that the gifts are equally well liked? 12.5 points Gift Sweatshirt Coffee cup Earrings Frequency 197 123 Skipped eBook References Нол, r- Hi The proportions are not equal. State the decision rule. Use 0.01 significance level. (Round your answer to 3 decimal places.) Reject HO if chi-square> How many degrees of freedom are there? Degrees of freedom

Answer 1

a) REJECT H0 if chi square> 9.210 at alpha=0.01

degrees of freedom= n-1=3-1=2

HO IS REJECTED THERE IS A PREFERENCE FOR THE GIFTS.