It can look like any algebraic equation.
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of, pertaining to, or determined by regression analysis: regression curve; regression equation. dictionary.com
The strength of the linear relationship between the two variables in the regression equation is the correlation coefficient, r, and is always a value between -1 and 1, inclusive. The regression coefficient is the slope of the line of the regression equation.
on the lineGiven a linear regression equation of = 20 - 1.5x, where will the point (3, 15) fall with respect to the regression line?Below the line
Yes.
once an equation for a regression is derived it can be used to predict possible future