The number of alcoholic drinks per week is given for adult men and women who drink. The
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The number of alcoholic drinks per week is given for adult men and women who drink. The data are at this text’s website.
a. Compare the mean number of drinks for men and women.
b. Compare the standard deviation of the number of drinks of men and of women.
c. Remove the outliers of 70 and 48 drinks for the men, and compare the means again. What effect did removing the outliers have on the mean?
d. What effect do you think removing the two outliers would have on the standard deviation, and why?
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a The mean for the men was 105 and for the women it was 47 showing that the male drin...View the full answer
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Related Book For 
Introductory Statistics Exploring The World Through Data
ISBN: 9780321978271
2nd Edition
Authors: Robert Gould, Colleen Ryan
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