Based on the data collected by the sales manager in the Copier case, it appears that she would have some difficulty predicting the sales based on only sales calls - especially at some levels of sales calls.For example, if one of her salespeople made between 70 and 80 calls, would she be able to predict a certain number of sales?Would it be easier to predict a range of sales?If yes, what would that range be?

What would I do to calculate the range based off of the information below?

otes: In this case, the sales manager wants to know if sales calls are associated with sales 2 Run a scatter diagram with sales on the "Y" or vertical axis and sales calls on the "X" asis 3 Run a correlation table. 4 Run a bi-variate regression model. Click on tab titled, "Regression" for results. Sales Calls Sales 96 41 Sales Calls Sales 40 41 Sales Calls 1 104 51 Sales 0.864632 1 128 60 164 61 76 29 72 39 80 50 36 28 84 43 180 70 132 56 120 45 44 31