Nadeem Samer owns and operates a chain of 12 vegetable protein "hamburger" restaurants in northern Louisiana. Sales figures and profits for the stores are in the table below. Sales are given in millions of dollars; profits are in hundreds of thousands of dollars. Calculate a regression line for the data. What is your forecast of profit for a store with sales of $48 million? $60 million?

Store Profits Sales

1 14 6

2 11 3

3 15 5

4 16 5

5 24 15

6 28 18

7 22 17

8 21 12

9 26 15

10 43 20

11 34 14

12 9 5