SOLUTION: A two-tailed hypothesis test is being used to evaluate a treatment effect with a = .05. If the sample data produce a z-score of z = -2.24, what is the correct decision? Question

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Question 1118046: A two-tailed hypothesis test is being used to evaluate a treatment effect with a = .05. If the sample data produce a z-score of z = -2.24, what is the correct decision?
Question 37 options:
Reject the null hypothesis and conclude that the treatment has no effect

Reject the null hypothesis and conclude that the treatment has an effect

Fail to reject the null hypothesis and conclude that the treatment has no effect

Fail to reject the null hypothesis and conclude that the treatment has an effect
Answer by Boreal(15235) About Me  (Show Source):
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This means reject the null hypothesis. That means that the treatment has an effect.
B