A simple random sample of 100 men aged 2534 averaged 70 inches in height, and had a
Chapter 7, Problem 15(choose chapter or problem)
A simple random sample of 100 men aged averaged 70 inches in height, and had a standard deviation of 3 inches. Their incomes averaged
and had a standard deviation of
. Fill in the blank: From the least-squares line, we would predict that the income of a man 70 inches tall would be
i. less than .
ii. greater than .
iii. equal to .
iv. We cannot tell unless we know the correlation.
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