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Jet: setisfeetien ratings frern feur prefessiens were ehtained as feiiews: Physical Them-is: Emir-maker The pepuietien ratings in each prefeesien can...

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Jet: setisfeetien ratings frern feur prefessiens were ehtained as feiiews: Physical Them-is: Emir-maker The pepuietien ratings in each prefeesien can be theught te be frern e Nerrnei distributien.
Gensider the fellewing hypethesis: Ht]: the mean setisfeetien ratings at ali feur prefessiens are the same Hi: the mean setisfeetien ratings ef the feur prefeesiens are net the same What is yeur eenelusien et a 5% level ef siginil‘ie-enee'?

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