A researcher conducts a hypothesis test to evaluate the effect of a treatment. The hypothesis test produces a z-score of z = -2.60.
Assuming that the researcher is using a two-tailed test, what is the correct statistical decision? Explain your answer.
Reject the null hypothesis with α = .05 but not with α = .01.
Reject the null hypothesis with either α = .05 or α= .01.
Fail to reject the null hypothesis with either α = .05 or α = .01.
cannot answer without additional information