A. 1
B. -1
C. 3
D. -3
E. 0
Related Mcqs:
- Lowest value of variance can be____________?
A. 1
B. -1
C. 3
D. 0 - 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 - 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 - 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 - 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 - 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 - If all values are same then the measure of dispersion will be________________?
A. 1
B. 0
C. Mean
D. Mode
E. Median - The measure of Dispersion can never be________________?
A. Positive
B. Negative
C. 0
D. 1 - Variance remains unchanged by change of________________?
A. Origin
B. Scale
C. Both
D. None of these - The term variance introduced by ___________?
A. Ronald Fisher
B. Karl Pearson
C. John Tukey
D. None of theseSubmitted by: Nimra Shaheen
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