Sample proportion P is __________ estimator?

Related Mcqs:

1. An estimator Q is an unbiased estimator of the population parameter Q if ___________________?

   A. E(x) = µ
   B. E(Q) =Q
   C. E(Q) =Q
   D. E(P) = P

2. Let X1,X2,……,Xn be a random sample from a density,,,, f(x ι θ) where θ is a value of the random variable Θwith known density gΘ(θ) Then the estimator ∏(θ) with…/ respect to the prior gΘ(θ) is define as_________________E[∏(θ)ιX1,X2,…..,Xn] is called?

   A. Posterior Bay’s estimator
   B. Minimax estimator
   C. Bay’s estimator
   D. Sufficient estimator

3. 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

4. Let X1,X2,……,Xn be a random sample from a density,,,, f(x ι θ) where θ is a value of the random variable Θwith known density gΘ(θ) Then the estimator ∏(θ) with…/ respect to the prior gΘ(θ) is define as______________E[∏(θ)ιX1,X2,…..,Xn] is called?

   A. Posterior Bay’s estimator
   B. Minimax estimator
   C. Bay’s estimator
   D. Sufficient estimator

5. A list of sample _________ is called sample space?

   A. Events
   B. Subset
   C. Piont
   D. Distinct

6. Criteria to check a point estimator to be good are_____________?

   A. Consistency
   B. All Above
   C. Unbiasedness
   D. Efficiency

7. Consistency of an estimator can be checked by comparing____________?

   A. Standard Deviation
   B. Mean
   C. mean Square Error
   D. Variance

8. For a biased estimator θˆ of θ, which one is correct_______________?

   A. MSE(θˆ)=SD(θˆ)+Bias
   B. MSE(θˆ)=Var(θˆ)+Bias2
   C. MSE(θˆ)=SD(θˆ)+Bias2
   D. MSE(θˆ)=Var(θˆ)+Bias

9. x=40 is estimator of _________________?

   A. (U)
   B. 6
   C. Ux
   D. 6/√n

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

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