A linear equation is drawn as a straight line on a set of axes. To draw the graph we need coordinates. We generate these coordinates by substituting values into the linear equation.

How do you calculate a least squares regression line by hand? When calculating least squares regressions by hand, the first step is to find the means of the dependent and independent variables. We do ...

You probably use VLOOKUP() function to find exact matches in Microsoft Excel, but you can also find the closest value when you don't know the exact value.