A study considers whether the mean score on an MBA entrance exam for students in 2017
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A study considers whether the mean score μ on an MBA entrance exam for students in 2017 was any different from the mean of 400 for students in 1966. Test H0:
μ = 400 against Ha: μ = 400 if for a nationwide random sample of 9,000 students who took the exam in 2017,
¯y = 397 and s = 90. Show that the result is highly significant statistically, but not practically significant.
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Related Book For 
Statistical Methods For The Social Sciences
ISBN: 9781292220314
5th Global Edition
Authors: Alan Agresti
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