Mathematics, 30.11.2020 09:40 BEEFYTACO
A study of the effects of smoking classifies subjects as nonsmokers or smokers. The investigators interview a sample of 171 people in each group. They ask, "How many hours do you sleep on a typical night?" The null hypothesis for the ANOVA F-test is that all populations' mean hours of are the same.
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A study of the effects of smoking classifies subjects as nonsmokers or smokers. The investigators in...
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