16. Researchers have claimed that the average number of headaches during a
semester of Statistics is 14. Statistics professors dispute that this claim
vehemently. 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 sample
standard 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
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