# 3 Ch 6 & 7 Question 13, Section 7.1 Exercise 4-T HW Score: 32.11%, 32.11 of 100 points Part 1 of 8 Points: 0 of 8 Save Data from a small bookstore are shown in the accompanying table. The manager wants to predict Sales from Number of Sales People Working. Complete parts a through h below. Click the icon to view the data table. a) Find the slope estimate, by . by = (Round to three decimal places as needed.)