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Results tagged with statistical-power
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user 315558
Is a property of a hypothesis testing method: the probability of rejecting the null hypothesis given that it is false, i.e. the probability of not making a type II error. The power of a test depends on sample size, effect size, and the significance ($\alpha$) level of the test.
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How to calculate the power of the study?
The critics of this specific study say it was only 80% powered to detect a 50% decrease in the length of hospital stay. I cannot for the life of me figure out how to calculate this using the informati …
