Type 1 Error Correct Decision
probability = _ Probability = 1- _
Correct decision Type 2 Error
probability = 1 - _ probability = _
Scientist’s Decision
Reject null hypothesis Fail to reject null hypothesis
Null hypothesis
is true
Null hypothesis
is false
Type 1 Error
Type 2 Error
Cases in which you reject
null hypothesis when it is
really true
Cases in which you fail to
reject null hypothesis when
it is false
= _
= _
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