Question

The probability of mistakenly rejecting the null hypothesis at least once after doing several hypothesis tests...

The probability of mistakenly rejecting the null hypothesis at least once after doing several hypothesis tests is called what?

a) The Familywise Error Rate

b) The Hypothetical Significance

c) None of the Above

**Note, didn't list one of the options because it is wrong: "the significance level"

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Answer #1

a>The Familywise Error Rate

The familywise error rate is the probability of a coming to at least one false conclusion in a series of hypothesis tests . In other words, it's the probability of making at least one Type I Error where Type I error is the rejection of true null hypothesis.

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