astronomical

. .y x 161 67

Specialty dolls

=

Age Value_In_Dollars

1

2

3

4

5

6

7

8

9

10

11

1 4.6

2 14

3 6.1

4 30

5 12.5

6 19

7 15

8 22.4

9 22

10 26

18 30

Va

lue

_In

_D

olla

rs

0

5

10

15

20

25

30

35

Age

0 2 4 6 8 10 12 14 16 18 20

Value_In_Dollars = 1.30Age + 9.7; r^2 = 0.50

-5

5

15

Re

sid

ua

l

0 2 4 6 8 10 12 14 16 18 20

Age

Specialty dolls Scatter Plot

y

1 2578889 2 34467889

3 034799 4 124

5 0

6 7 2

8 3

9 4

72 represents $72,000

(this means 5 times or fewer)