Monday, July 12, 2010

STA301 GDB Solution

“If coefficient of correlation, “r” between two variables is zero, does it mean that there is no relationship between the variables? Justify your answer”.

Solution:-
If there is no linear correlation or a weak linear correlation, r is close to 0. A value near zero means that there is a random, nonlinear relationship between the two variables. The change in one variable will not affect other variable. There is no relationship between the variables.

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