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| Teaching Since: | May 2017 |
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MCS,PHD
Argosy University/ Phoniex University/
Nov-2005 - Oct-2011
Professor
Phoniex University
Oct-2001 - Nov-2016
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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