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level: section b

Questions and Answers List

level questions: section b

QuestionAnswer
what is meant by a 'type i error'?H0 is rejected when it is True
what is meant by a 'type ii error'?H0 is not rejected when it is False.
when do you use a pooled vs unpooled test?hypothesis testing when variables independent. if Slarge/Ssmall<2, use pooled (Sp) if untrue, use unpooled