1. ## Regression Line

How do you solve the regression line?

I have a formula a = y(bar) - bx(bar)

*bar here representing a line over the y and x terms.

how do you get the numbers to sub in, i don't understand it at all!!!

2. You line you are looking for is $y=ax+b$ where

and

You find this line from a data set. Do you have a data set?