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Define a correlation coefficient

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Reference no: EM13674862

Correlation
Define a correlation coefficient. What does it mean if two variables have an r value of 1? How are two variables related if they have an r value of .8? What about an r value of -.8
Give a practical example of two variables that would be highly correlated.
If two variables are strongly correlated, does this mean that one causes the other?

Reference no: EM13674862

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