### Possible Answer

Summary: When you have a set of (x,y) data points and want to find the best equation to describe them, you are performing a regression. You will learn how to find the strength of the association between your two variables (correlation coefficient), and how to find the line of best fit (least ... - read more

The coefficient of determination (r^2) is simply calculated by squaring the correlation coefficient. Just type in your correlation coefficient, then press ^2. - read more

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