Suppose for 40 observations, the variance is 50. If all the observations are increased by 20, the variance of these increased observation will be______________?

Related Mcqs:

Primary data and _____________ data are same?

A. Grouped B. Secondary data C. Ungrouped D. None of these...

f1x12 + f2x22 + —————+ fxx42=___________?

A. Σu1=1 ƒ ixi2 B. Σni-1 ƒ ixi2 C. Σpi=1 ƒ ixi2 D. Σmi=1 ƒ ixi2...

The measure of dispersion is changed by a change of_____________?

A. Origin B. Scale C. Algebraic Signs D. None...

If right tail is longer than left tail then distribution is called _________________?

A. Negatively Skewed B. Positively Skewed C. All of above D. None of these...

If 10% is added to each value of variable, the geometric mean of new variable is added by_______________?

A. 5% B. 10% C. No Change D. 110% E. 90%...