Significance Levels and Test Conclusions
A researcher performs a hypothesis test on the same data to compare two population proportions at three different significance levels. Which of the following combinations of results is impossible?
A
Fail to reject at α = 0.05, fail to reject at α = 0.01, fail to reject at α = 0.001
B
Reject at α = 0.05, fail to reject at α = 0.01, fail to reject at α = 0.001
C
Reject at α = 0.05, reject at α = 0.01, reject at α = 0.001
D
Reject at α = 0.05, fail to reject at α = 0.01, reject at α = 0.001
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