Question

Find the mean deviation about the median for the data 3,10,10,4,7,10,5.​

Answer 1

Step-by-step explanation:

Correct option is

D

2.57

Given data is, 3,10,10,4,7,10,5.

Mean, μ=

N

∑x

i

=

7

3+10+10+4+7+10+5

=

7

49

=7

Thus mean deviation =

N

∑∣x

i

−μ∣

=

7

∣3−7∣+3(10−7)+∣4−7∣+(7−7)+∣5−7∣

=

7

4+9+3+0+2

=2.57