Question: a) Researchers plan a eld experiment for a population with a known mean of 750 and standard deviation of 90. They aim to assign treatment

a) Researchers plan a eld experiment for a population with a known mean of 750 and standard deviation of 90. They aim to assign treatment to a sample of 75 people from the population and predict an average response for this group to be 780. What is the power of a study (in %) with o = .05

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