A researcher conducts a hypothesis test to evaluate the effect of a treatment that is expected toincrease scores. The hypothesis test produces a calculated z -score of z = 2.37. If the researcher is using a one-tailed test, what is the correct statistical decision? This cannot be answered without additional information. Reject the null hypothesis with α = .05 but not with α = .01. Fail to reject the null hypothesis with either α = .05 or α = .01. Reject the null hypothesis with either α = .05 or α = .01.

A researcher conducts a hypothesis test to evaluate the effect of a treatment that is expected to increase scores. The hypothesis test produces a calculated z -score of z = 2.37. If the researcher is...

A researcher conducts a hypothesis test to evaluate the effect of a treatment that is expected toincrease scores. The hypothesis test produces a calculated
z
-score of
z
= 2.37. If the researcher is using a one-tailed test, what is the correct statistical decision?

		This cannot be answered without additional information.
		Reject the null hypothesis with α = .05 but not with α = .01.
		Fail to reject the null hypothesis with either α = .05 or α = .01.
		Reject the null hypothesis with either α = .05 or α = .01.

Jun 05, 2022

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A researcher conducts a hypothesis test to evaluate the effect of a treatment that is expected to increase scores. The hypothesis test produces a calculated z -score of z = 2.37. If the researcher is...

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