A study of 6600 men found that those who consumed a moderate amount of alcohol (one drink or less per night ) have lower mortality(on the average ) than Thoose who drink none is the is this good evidence that drinking a moderate amount causes lower mortality?  A) yes because the study is an experiment  B) no becuase who drink a moderate amount may differ from nodeinkers in other ways such as income and exercise that affect mortality  c) no because we can't generalize from 6600 people to the millions of adults in the country  D) yes because the sample is so large that the margin of error will be quite small

MATLAB: An Introduction with Applications
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A study of 6600 men found that those who consumed a moderate amount of alcohol (one drink or less per night ) have lower mortality(on the average ) than Thoose who drink none is the is this good evidence that drinking a moderate amount causes lower mortality? 

A) yes because the study is an experiment 

B) no becuase who drink a moderate amount may differ from nodeinkers in other ways such as income and exercise that affect mortality 

c) no because we can't generalize from 6600 people to the millions of adults in the country 

D) yes because the sample is so large that the margin of error will be quite small

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