問題詳情
【題組】3). At the .01 significance level, is there a difference in the mean number of times men and women send aTwitter message in a day?
(A) Reject the null hypothesis and conclude the means are different.
(B) Reject the null hypothesis and conclude the means are the same.
(C) Fail to reject the null hypothesis and conclude the means are the same.
(D) Fail to reject the null hypothesis and conclude the means are different.
參考答案
答案：[無官方正解]
難度：計算中-1
書單：沒有書單，新增