c**********4
发帖数: 12 | 1 dummy question:
H0 = u
Ha <> u
sample mean x and test statistic z
why rejection region as to z(alpha/2)? I think that it should still be alpha.
z > z(alpha), 1-alpha confident that x>u
z< -z(alpha), 1-alpha confient that x | s*****n
发帖数: 3416 | 2 what you said is conditional on the oberved data. You are leaning to a
Bayesian view.
alpha.
【在 c**********4 的大作中提到】
: dummy question:
: H0 = u
: Ha <> u
: sample mean x and test statistic z
: why rejection region as to z(alpha/2)? I think that it should still be alpha.
: z > z(alpha), 1-alpha confident that x>u
: z< -z(alpha), 1-alpha confient that x
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