Business schools a and b reported the following summary of


Business schools A and B reported the following summary of GMAT (Graduate Management Aptitude Test) mathematics scores. Test the claim that there is a difference in means between two schools A and B. (a) At α = 1%, use the Classical approach to conclude it. (b) Using the P-value approach to conclude it.

Business school A : n=50, X bar=37, S2=100

Business school B : n=40, X bar= 33, S2= 80

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Business Economics: Business schools a and b reported the following summary of
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