Question

Question for :-

Brainly stars~
And
Moderators~

The variance of the given data 2, 4, 5, 6, 8, 17 is 23.33. Then find the variance for the data 4, 8, 10, 12, 16, 34.

(a) 23.23 (b) 25.33 (c)46.66 (d)48.66

Solution:
​

Answer 1

Explanation:

Given observation is, 4, 8, 10, 12, 16, 34.

Here n=6,∑x

i

2

=4

2

+8

2

+10

2

+12

2

+16

2

+34

2

=1736,∑x

i

=4+8+10+12+16+34=84

Hence required variance =

n

∑x

i

2

−(

n

∑x

i

)

2

=93.33