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MCS,PHD
Argosy University/ Phoniex University/
Nov-2005 - Oct-2011
Professor
Phoniex University
Oct-2001 - Nov-2016
10.37Â Â Â On an examination given to students at a large number of different schools. the mean grade was 74.5 and the standard deviation was 8.0. At one particular school where 200 student, took the examination. the mean grade was 75.9. Discuss the significance of this result at the 0.05 level from the viewpoint of (a) a one-tailed test and (h) a two-tailed test, carefully explaining what conclusions you dra" from these te,ts.
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