A Researcher Conducts a Hypothesis Test to Evaluate the Effect

Multiple Choice

A researcher conducts a hypothesis test to evaluate the effect of a treatment.The hypothesis test produces a z-score of z = 2.37.Assuming that the researcher is using a two-tailed test,what decision should be made?​

A) ​The researcher should reject the null hypothesis with α = .05 but not with α = .01.
B) ​The researcher should reject the null hypothesis with either α = .05 or α = .01.
C) ​The researcher should fail to reject H₀ with either α = .05 or α = .01.
D) ​The researcher should ignore the results.