Lowest value of variance can be________________?

Related Mcqs:

1. Lowest value of variance can be____________?

   A. 1
   B. -1
   C. 3
   D. 0

2. The variance of 5 numbers is 10. If each number is divided by 2, then the variance of new numbers is______________?

   A. 20
   B. 5
   C. 2.5
   D. 5.5
   E. 0

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

   A. 50
   B. 70
   C. 50/20
   D. 50-20 = 30
   E. 50

4. Sample variance S2 is unbiased estimator of population variance 26 because ________________?

   A. E(S2) = s2
   B. E(u) = X
   C. E(P) = P
   D. Ux = u

5. suppose for 40 observation, the variance is 50. If all the observation are increased by 20, the variance of these increased observation will be_________?

   A. 50
   B. 70
   C. 50/20
   D. 50-20=30

6. The variance of 5 numbers is 10. If each number is divided by 2, then variance of new number is_____________?

   A. 20
   B. 5
   C. 2.5
   D. 0

7. If all values are same then the measure of dispersion will be________________?

   A. 1
   B. 0
   C. Mean
   D. Mode
   E. Median

8. The measure of Dispersion can never be________________?

   A. Positive
   B. Negative
   C. 0
   D. 1

9. Variance remains unchanged by change of________________?

   A. Origin
   B. Scale
   C. Both
   D. None of these

10. The term variance introduced by ___________?

    A. Ronald Fisher
    B. Karl Pearson
    C. John Tukey
    D. None of these

    Submitted by: Nimra Shaheen