for two estimators T1=t1(X1,X2,….Xn) and T1=t1(X1,X2,….Xn) then estimators t1 is defined to be Rt1(θ)≤Rt2(θ) for all θ in Θ ?

Related Mcqs:

1. A set of jointly sufficient statistic is defined to be minimal sufficient if and only if_______________?

   A. It is a function of some other set of sufficient statistics.
   B. It is a function of every other set of sufficient
   C. It is a function of any sufficient statistics in the set.
   D. It is not a function of every other set of sufficient statistics.

2. The word statistics is defined as_____________?

   A. Singular Sense
   B. Plural Sense
   C. Singular as well as plural sense
   D. Non of these

3. Discrete random variable is real valued function defined on a ___________ sample space?

   A. Discrete
   B. Variable
   C. Scale
   D. Non of these

4. Binomial probability distribution is denoted by b(x ; n, p), is defined as _______________?

   A. {nx}px qn-x
   B. {nx}px(1 – P)x-n
   C. nCxpnqnx
   D. {nx}p(1 – P)x

5. The hypothesis which is being tested is called ___________________?

   A. Composite hypothesis
   B. Alternative hypothesis
   C. Null hypothesis
   D. Simple hypothesis

6. Three brands of coffee are rated for tasted on a scale of 1 to 10. Six persons are asked to rate each brand so that there is a total of 18 observations.The appropriate test to tasted equally good is_____________?

   A. One way analysis of variance (ANOVA)
   B. Spearman Rank difference
   C. Wilcoxon Rank-Sum test
   D. Kruskal-Wallis test

7. 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

8. Sample proportion P is __________ estimator?

   A. Biased
   B. Parameter
   C. Unbiased
   D. None of these

9. Power of test is denoted by _______________?

   A. β
   B. α
   C. (1 – α )
   D. (1 – β)

10. The Wilcoxon, Rank-Sum test used to compares_______________?

    A. Any number of populations
    B. A sample mean to the population mean
    C. Two populations
    D. Three populations