17.39 The manager of a tire store in Minneapolis has been concerned with the high cost of inventory ...

Snowfall (inches) per week

Time

Number Tires Sold per week

x1

x2

y

0.3

1

20

0.0

2

36

2.5

3

76

0.5

4

225

1.5

5

321

4.0

6

880

2.0

7

998

6.0

8

1132

7.0

9

1423

0.0

10

869

0.0

11

652

6.0

12

996

8.0

13

1124

10.0

14

3579

5.0

15

1116

8.0

16

2124

4.0

17

958

5.0

18

721

2.0

19

138

0.0

20

32