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OpenStudy (anonymous):
statistical abstracts (117th edition) reports that the average annual expenditure for health care by individuals 25 to 34 years old is $1,096. a random sample of 24 athletes between the ages of 25 and 34 had a sample mean expenditure of $950 with sample standard deviation $425. if you were to do the above study, explain clearly how would collect the sample. (think of the sampling techniques).
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OpenStudy (tkhunny):
Well, do it. Start thinking and sharing.
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