Engineering, 18.11.2019 22:31 orlando979

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?

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Alisha is conducting a paired differences test for a "before (b score) and after (a score)" situatio...

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