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[ r = frac{n(sum XY) - (sum X)(sum Y)}{sqrt{[nsum X^2 - (sum X)^2][nsum Y^2 - (sum Y)^2]}} ] [ r approx 0.92 ]
[ r = \frac{n(\sum XY) - (\sum X)(\sum Y)}{\sqrt{[n\sum X^2 - (\sum X)^2][n\sum Y^2 - (\sum Y)^2]}} ] [ r \approx 0.92 ]
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Calculus
Authors: Dale Varberg, Edwin J. Purcell, Steven E. Rigdon
9th edition
131429248, 978-0131429246
