Question

Question to
Moderator
Genius
Correct answering people's

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

Answer:

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