Critical Thinking Alisha is conducting a paired
Chapter , Problem 6(choose chapter or problem)
Critical Thinking Alisha is conducting a paired differences test for a before (B score) and after (A score) situation. She is interested in testing whether the average of the before scores is higher than that of the after scores. (a) To use a right-tailed test, how should Alisha construct the differences between the before and after scores? (b) To use a left-tailed test, how should she construct the differences between the before and after scores?
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