Question

A researcher predicts that scores in treatment A will be higher than scores in treatment B. If the mean for the 10 participants in treatment A is 4 points higher than the mean for the 10 participants in treatment B and the data produce t = 2.095, what decision should be made?​

Answer 1

With α = .05, reject H0 for a one-tailed test but fail to reject for a two-tailed test

Explanation: