Which would increase the power in Exercise 27 by more: increasing the alternative mean to 25.5 and

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Which would increase the power in Exercise 27 by more: increasing the alternative mean to 25.5 and keeping α = 0.05 or keeping the alternative mean at 25.2 and increasing α to 0.1?
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Elementary Statistics

ISBN: 9780321225979

3rd Canadian Edition

Authors: Mario F. Triola

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