Solution: We are given below data:

Now to find the mean deviation, we use the below formula:

Where:
represents the summation
X, represents the observation.
represents the mean
N represents the number of observation.


Therefore, the mean deviation is:

= 4
Answer:- | -7 + 4 |
= - | -3 | Since | -3 | = 3:
= - (3)
= - 3
I believe that you are doing multiplication with this.
So… 9 x 3.65 = 32.85
Hope this helps. :)
Answer:
There’s no answer
Step-by-step explanation: