A researcher hopes to determine whether the number of hours a person jogs per week is related to the person's age.

Age,x

49

46

18

52

62

Hours,y

1.5

2

5.5

1.5

1

Scatter Plot for the Person's Age and Number of Hours a Person Jogs per Week.

y

1

2

3

4

5

6

7

8

9

10

x

10

20

30

40

50

60

70

0

Part:0 / 3

0 of 3 Parts Complete

Part 1 of 3

(a) Find the value for

r

. Round your answer to at least three decimal places.