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Assume that a distribution of reading speeds for elementary students has a mean of 0 = 300 words per minute and standard deviation of =

Assume that a distribution of reading speeds for elementary students has a mean of 0 = 300 words per minute and standard deviation of = 80. I predict that a course in "effective reading strategies" will increase in the mean reading speed (H1: 1 - 0> 0). What is power if n = 25, = .05 and we assume that = .5?

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