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

The variance of 20 observations is 5. If each observations is multiplied by 2, then the new variance of the resulting observations is

The variance of 20 observations is 5 . If eech observation is multiplied by 2 then the new variance of the resulting observations, is:

The variance of 20 observations is 5. If each observation is multiplied by 2, find the new variance of the resulting observations.

The variance of 20 observations is 5. If each observation is multiplied by 2, find the new variance of the resulting observations.

The variance of 20 observations is 5. If each observation is multiplied by 2, find the new variance of the resulting observations.

The variance of 20 observations is 5. If each observation is multiplied by 2, find the new variance of the resulting observations.