Search
.Management Sciences
Category: Statistical Inference Mcqs
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?
0
A. Posterior Bay’s estimator
B. Minimax estimator
C. Bay’s estimator
D. Sufficient estimator
Which of the following test use Rank Sums____________?
A. Kruskal-Wallis and Wilcoxon tests
B. Runs test
C. Chi-Square and sign test
D. F test
Type II error is committed when the null hypothesis is _________________?
A. Rejected when it is true
B. Rejected when it is false
C. Accepted when it is true
D. Accepted when it is false
The minimum variance unbiased estimator of the population mean is _______________?
A. 6/√n
B. S/√n
C. S2/n
D. 6x/√n
95% confidence limits for P are _________________?
A. P±2.18√p2q2/n
B. P±1.65(pq/n)
C. P±1.96 p2q2/√n
D. P±1.96√p2q2/n
A quantity obtained by applying certain rule or formula is known as ________________?
A. Estimate
B. Test Statistics
C. Estimation
D. Sample
E. Estimator
Which of the following is an assumption underlying the use of the t-distribution ?
A. The sample are drawn from a normally distributed population.
B. The variance of the population is known
C. All above
D. s (sample standard deviation) is an unbiased estimate of the population variance.
Recent Comments