CorrelationCoefficient Command

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CorrelationCoefficient( <List of x-coordinates>, <List of y-coordinates> )
Calculates the product moment correlation coefficient using the given x- and y-coordinates.
Example: CorrelationCoefficient({1, 3, 2, 1, 5, 2}, {1, 6, 4, 3, 3, 2}) yields 0.36.
CorrelationCoefficient( <List of Points> )
Calculates the product moment correlation coefficient using the coordinates of the given points.
Example: CorrelationCoefficient({(1, 1), (3, 6), (2, 4), (1, 3), (5, 3), (2, 2)}) yields 0.36.
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