問題詳情

16. Researchers have claimed that the average number of headaches during asemester of Statistics is 14. Statistics professors dispute that this claimvehemently. Statistic professors believe the av average is much more than this.They sample n = 13 students and find the sample mean is 16 and the samplestandard deviation is 2.0. The test statistic for this test is:
(A)t =3.6
(B) t=1.0
(C)1=1.8
(D)t =2.1

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