The following sample observations were randomly selected:

X:

9

8

17

16

17

5

5

11

Y:

24

17

14

5

8

18

7

20

a.Not available in Connect.

b.Determine the regression equation.(Negative answer should be indicated by a minus sign. Do not round intermediate calculations and round the final answers to 4 decimal places.)

b=a=

Y' =+X

c.Determine the value ofY'whenXis 15.(Use the part b rounded answers to calculate the answer. Round the final answer to 4 decimal places.)