If the data is multiplied by 4, then the corresponding variance is get multiplied by ____.

If each element of a row (or a column) of a determinant is multiplied by a constant k then its value gets multiplied by k.

Prove that if each element of a row (or a column) of a determinant is multiplied by k, then its value gets multiplied by k.

The standard deviation of a collection data is 5sqrt(5) .If each value is multiplied by 3 then the new variance of the new data is ………….

The variance of 15 observations is 8. If each observation is multiplied by 4, then the variance of new observation is ……

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

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

The variance of 20 observation is 5. If each observation is multiplied by 3, then what is the new variance of the resulting observation?

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