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The variance of 25 observations is 4. If...

The variance of 25 observations is 4. If 2 is added to each observation, then the new variance of the resulting observation is

A

2

B

4

C

6

D

8

Text Solution

Verified by Experts

The correct Answer is:
B
Variance will not change by adding or subtracting a fixed value to all the elements.
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