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b) (5 points) Calculate the statistical power of the hypothesis test you carried in part a?when you tested whether aspirin had different rate of strokes
b) (5 points) Calculate the statistical power of the hypothesis test you carried in part a?when you tested whether aspirin had different rate of strokes compared to the placebo group.
To compute the power, assume the true relative risk of developing a stroke while taking a daily aspirin compared to placebo is 3.0 (which is approximately the observed effect size). Assume the baseline proportion of strokes in this population is 2/10,000.
I HAVE THE ANSWER TO PART A, IF YOU WANT IT, IT'S BELOW:
i)H0: P1 - P2 = 0
ii)HA: P1 - P2 ? 0
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