The S.D of a variate x is S. The S.D of the variate where a,b c are constant is
None of These
Use the concept
Standard Deviation -
If x1, x2...xn are n observations then square root of the arithmetic mean of
- wherein
where is mean
Let
Then
S.D of
Option 1)
This solution is incorrect.
Option 2)
This solution is correct.
Option 3)
This solution is incorrect.
Option 4)
None of These
This solution is incorrect.