Question

Find the Standard deviation of the data 6, 5, 9, 13, 12, 8, 10.​

Answer 1

Answer:

Correct option is

A

7

52

Given observation is, 6,5,9,13,12,8,10.

Here n=7,∑x

i

=63,∑x

i

2

=619

∴ Required standard deviation is σ=

n

∑x

i

2

−(

n

∑x

i

)

2

=

7

52