if Var(θˆ)→0 as n → 0, then θˆ is said to be______________?

Related Mcqs:

1. if Var(T2)_______________?

   A. Efficient
   B. Sufficient
   C. Unbiased
   D. Consistent

2. If a and b are two constants, then Var(a+bX) is_______________?

   A. a±bVar(X)
   B. Var(a)±Var(X)
   C. ±bVar(X)
   D. b2Var(X)
   E. (a±b)Var(X)

3. Var(2X+3) is________________?

   A. 5 Var(X)
   B. 4 Var(X)
   C. 4 Var(X)+3
   D. 5 Var(X)+3

4. If a & b are constants, then Var (a + bX) equal to_________________?

   A. Var(bX) + a
   B. b2 Var(X)
   C. b Var(x)
   D. None of these

5. For two independent random variables X & Y, Var (x ± y)=___________?

   A. Var(X) + Var (Y)
   B. Var(X) – Var (Y)
   C. Var (X)±
   D. Zero

6. Var (kY)= ____________?

   A. k Var (Y)
   B. k2 Var(Y)
   C. Var(Y)
   D. k2

7. The variance of randomvariable of x then var(x) = E[x-E[x]2 = E[________]?

   A. (X – A)2
   B. E(x)
   C. (x – u)2
   D. (x – 4)2

8. 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

9. The Geometric Mean of -2, 4, 03, 6, 0 will be______________?

   A. -3
   B. 0
   C. 3
   D. Cannot be Computed
   E. None of these

10. If x is 4 and the distribution is 2, 3, 4, 5, 6, the sum of squared deviations from the x will be______________?

    A. 8
    B. 10
    C. 6
    D. 12