10-11 math - Notation Notation and Equations for Hypothesis...

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Notation’and’Equations’for’ Hypothesis’Testing ’ Lecture’ 10/11’ Notation’ Η 0 :’ Null’hypothesis ’ H 1 :’Alternative’hypothesis ’ α :’alpha’level;’the’Type’I’error’rate’the’researcher’decides’is’acceptable;’also ’ the’cutoff’ for’the’p -value’between’retaining’and’reject ing’the’null’hypothesis t crit ,’etc.:’critical’value.’ t crit ’ is’the’critical’value’when’your’test’statistic’is’ t .’Soon’we±ll’ learn’about’a’test’statistic’named’ F ,’and’its’critical’value’is’ F crit ,’and’so’on. Critical’value ’ for’one -tailed’tests .’The’criti cal’value’is’determined’by’our’choice’of’ Type’I’error’rate.’The’Type’I’error’rate’is’the’probability,’when’the’null’hypothesis’is’ true,’of’incorrectly’rejecting’it.’We’reject’the’null’hypothesis’whenever’the’test’
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10-11 math - Notation Notation and Equations for Hypothesis...

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