Slope (m) and Y-intercept (b) from a Table of Values (Linear Regression Formula)

There IS a formula for the Slope and Y-intercept of the line of best fit (least squares line) given a table of values.
You'll need to make new columns: "xy" which is each x multiplied by its y, and x^2, which is each x multiplied by itself.
The SUMS of these columns will be used in the formula.

[@CobaltRed-gp2qc]

Great to see you still teaching!