The variance of 4,4,4,4,4,4 is _______________?

Related Mcqs:

1. 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

2. 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

3. 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

4. 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

5. 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

6. The minimum variance unbiased estimator of the population mean is _______________?

   A. 6/√n
   B. S/√n
   C. S2/n
   D. 6x/√n

7. If mean of the binomial probability distribution is 4.8, then variance of this distribution is :_______________?

   A. -2.3
   B. 5.3
   C. -4.8
   D. 2.3

8. The correct variance is define as the __________________?

   A. varies of data P2/6
   B. S.D. of data h2/12
   C. M.D. of data h2/6
   D. Variance of data h2/12

9. Variance remains unchanged by change of_____________?

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

10. Mean deviation, Variance and Standard Deviation of the values 4,4,4,4,4,4 is_______________?

    A. 4
    B. 8
    C. 2
    D. 0