S4E13 Model-Based Power Analysis… The Power of *What*
Quantitude
00:00
Null Hypothesis Testing
Roy Levy: When you start thinking about statistical power, a patient perspective can really be. The null hypothesis is that the two population means are equal and there is no difference in the population. But if they're not equal, it's possible for them to differ by much more than just chance alone. He says we actually have in that two by two table two correct decisions, and we have two incorrect decisions or errors.
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