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1 de jun. de 2000 · 6.6 What is a p-value? June 6, 2000 by JB. An introduction to the concept of the p-value, in the context of one-sample Z tests for the population mean. Much of the underlying logic holds for other tests as well. I discuss what a p-value is, then using simulation I illustrate its distribution when the null hypothesis is true and when the null .

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