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Suppose the grade average for males is 60 and the variance is 10. You would like to use a (one sided) t-test to test that
Suppose the grade average for males is 60 and the variance is 10. You would like to use a (one sided) t-test to test that the average grade of females is at least 3 points higher on average than the average grade of males at the 1% statistical significance level. What is the statistical power of the test in a sample of 300 students, 150 males and 150 females?
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