a. Calculate g for the comparison of the means of Turck and Kirk Halls (if you did
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a. Calculate g for the comparison of the means of Turck and Kirk Halls (if you did not already calculate that value for Exercise 1 of Chapter 7). Use g as your estimate of d, and compute the sample sizes you would need for power = .75, for a .05 two-tailed test, comparing the two dormitories.
b. Given the sizes of the samples from Turck and Kirk Halls, how large would d have to be to obtain power = .85, for a .01, two-tailed test?
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Related Book For
Introductory Statistics For The Behavioral Sciences
ISBN: 9780470907764
7th Edition
Authors: Joan Welkowitz, Barry H. Cohen, R. Brooke Lea
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