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LearnEdexcel9FM0First teaching 2017Option · Further Statistics 1Quality of tests
Option · Module

Quality of tests

1 subtopic≈ 35 min in total
Start the module: Type I and Type II errorsOpen graphing calculator

  1. Type I and Type II errors

    Every test can go wrong in two ways: crying wolf (rejecting a true H0H_0, Type I) or missing the wolf (keeping a false H0H_0, Type II). Their probabilities come straight from the critical region.

    ≈ 35 min