The following data represent the number of weed-eaters sold per month at a local garden shop and their prices
Price x $34 36 32 35 30 38 40
Units sold y 3 4 6 5 9 2 1
a. Develop the estimated regression equation.
b. PRedict the amount of sales for a cost of $33
c. Predict the amount of sales for a cost of $45