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What is a Type I error?

  1. A Rejecting a true null hypothesis, a false positive
  2. B Failing to reject a false null hypothesis
  3. C An error in data entry
  4. D A model convergence failure
Answer

Rejecting a true null hypothesis, a false positive

A Type II error is a false negative. The significance level controls Type I error rate, while power relates to Type II.

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