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For two data sets, each of size 5, the v...

For two data sets, each of size 5, the variances are given to be 4 and 5 and the corresponding means are given to be 2 and 4, respectively. The variance of the combined data set is :

A

`(5)/(2)`

B

`(11)/(2)`

C

6

D

`(13)/(2)`

Text Solution

Verified by Experts

The correct Answer is:
B
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