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Duke wants to test the performance of females on a standardized math test. Duke collects data from 50 females and finds that his sample average
Duke wants to test the performance of females on a standardized math test. Duke collects data from 50 females and finds that his sample average is 550 (s = 200). If Duke compares his sample mean to a mean of 600, does her sample differ significantly? Assume a two-tailed test with alpha = .05.
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