A company keeps extensive records on its new salespeople on the premise that sales should increase with experience. A randoms sample of seven new salespeople produced the data on experience and sales shown in the table. Using the Excel, answer the following questions. 1) (2 points) Find SSxy - 2) (2 points) Find SSxx 3) (2 points) Find Slope, b1. 4) (2 points) Find Intercept, b0. 5) (2 points) Find the estimated regression equation using the results of part 3) and part 4)