A college admissions officer will draw a simple random sample of 100 mathematics SAT scores from the
Question:
A college admissions officer will draw a simple random sample of 100 mathematics SAT scores from the entering freshman class. The admissions officer will perform a test of the hypotheses H0: μ = 500 versus H1: μ > 500 at the
α = 0.05 level of significance. Assume the population standard deviation is σ = 116.
a. Find the power of the test against the alternative
μ1 = 520.
b. Find the power of the test against the alternative
μ1 = 550.
c. Find the power of the test against the alternative μ1 = 520 if the test is made at level
α = 0.01.
d. Find the power of the test against the alternative μ1 = 550 if the test is made at level
α = 0.01.
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