Line of Best Fit/ Regression
Video: https://www.youtube.com/watch?v=L0-FeT74xgU
Graphing Calc STAT: https://www.youtube.com/watch?v=wyEBNptWQZY
Calculator Steps: http://mathbits.com/MathBits/TISection/Statistics2/linear.htm
You Can Try this Line of Best Fit: http://mathbits.com/MathBits/TISection/Statistics1/LineFit.htm