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The mean deviation of the data 3,10,10,4...

The mean deviation of the data 3,10,10,4,7,10,5 from the mean is

A

2

B

2.57

C

3

D

3.75

Text Solution

Verified by Experts

The correct Answer is:
B
Given, observations are 3,10,10,4,7,10 and 5.
`therefore overline(x)=(3+10+10+4+7+10+5)/(7)=(49)/(7)=7`

Now, `M.D.=(sum d_(i))/(N)=(18)/(7)=2.57`
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