Which set of ordered as represents a la relationship

a) X F πxf

0 1 1

1 2 2

2 4 8

3 8 24

4 16 64

mean (π)=πxf /n

99/5

19.8

b)xFπxf

000

111

248

3927

41664

mean (π)=πxf/n

= 100/5

20

c)Xfπxf

-46-24

-14-4

224

505

8-2-16

mean (π)=πxf/n

=-35/5

= –7

D) x f πxf

-2 0 0

-1 1 -1

2 2 4

7 3 21

10 4 40

mean (π)=πxf /n

= 64/5

=12.8

d? maybe

step-by-step explanation:

ou would have 12 of each