Question

the mean deviation of the data 3,5,6,7,8,10,11,14 is

Answer 1

mean is equal to sum/total no. of observation
so = 64/8
= 8
8 is the answer

Answer 2

Answer:- 2.75

Step-by-step explanation:

Let the mean of data be u=∑xi/n=64/8 =8

Calculating the deviation : ∣xi−u∣=> |3-8|,|5-8|,|6-8|,|7-8|,|8-8|,|10-8|,|11-8|,|14-8|

We get, 5,3,2,1,0,2,3,6 .

∴M.D(u)= ∑∣xi−u∣/n = 22/8=2.75 Thus, M.D(u)=2.75.