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A correlation coefficient will always have a value between what two values?

1 Answer

Dec 14, 2017

$- 1$ $-1$ to $1$ $1$

Explanation:

Correlation coefficient is the measure of linear strength between two variables, and it can only take value form $- 1$ $-1$ to $1$ $1$

Negative values implying a negative (downward) relationship, while positive values imply a positive (downhill) relationship.

The strength of relationship is given by magnitude of correlation, so correlation of $- 1$ $-1$ and $1$ $1$ represent perfect linear relationship.

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