The table below contains the information on the monthly salaries and sales for one company’s sales team.
Alfred Beth Collin Diana Emma
Monthly salary 4 200 3 800 5 100 4 500 3 200
Monthly sales 4 400 8 800 8 500 7 900 6 200
Using monthly salary as the independent variable,
a) Develop the estimated regression equation.
b) If a person were to have a monthly salary of 4 200€, what would you estimate their monthly sales to be?