Question

Find the mean deviation about the mean

4, 7, 8, 9, 10, 12, 13, 17
[Ans: 3]
I need steps ​

Answer 1

Answer:

Mean(

x

)=

8

4+7+8+9+10+12+13+17

=

8

80

=10

x

i

∣x

i

−

x

∣

4 6

7 3

8 2

9 1

10 0

12 2

13 3

17 7

∑∣x

i

−

x

∣=24

⇒ Mean deviation about mean =

8

24

=3

Answer 2

Answer:

see the pic joint here,

hope it helps u

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