Homework Help: statistics

Posted by skitter on Monday, November 29, 2010 at 10:33am.

the following sample observations were randomly selected:
x: 2,5,6,8,9,11,15
y: 22,23,16,18,19,13,12

a)calculate the correlation coefficient, r
b) determine the regression equation
c) determine the value of Y when X=20

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