The following sample observations were randomly selected:

X:

18

14

10

14

12

11

10

11

Y:

16

11

19

23

9

20

18

4

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 8.(Use the part b rounded answers to calculate the answer. Round the final answer to 4 decimal places.)