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.Management Sciences
Category: Statistical Inference Mcqs
1 – α is the probability of_____________?
A. Acceptance Region
B. Type-I error
C. Type-II Error
D. Rejection Region
Consistency of an estimator can be checked by comparing____________?
A. Standard Deviation
B. Mean
C. mean Square Error
D. Variance
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.
Analysis of Variance (ANOVA) is a test for equally of______________?
A. Variances
B. Proportions
C. Only two parameters
D. Means
The Mann-Whitney U test is preferred to a t-test when____________?
A. Sample are dependent
B. The assumption of normality is not met
C. Sample sizes are small
D. Data are paired
_________ is an estimate expressed by a single value?
A. C.I.
B. Point estimator
C. Parameter
D. Point estimate
Which of the following test must be two-sided ?
A. Sign test
B. Wilcoxon Signed Rank
C. Kruskal-Wallis
D. Runs test
The hypothesis which is being tested is called ___________________?
A. Composite hypothesis
B. Alternative hypothesis
C. Null hypothesis
D. Simple hypothesis
condition for applying Central Limit Theorem (CLT) which approximate the sampling distribution of the mean with a normal distribution is ?
A. n > 30
B. N(1 – p) > 5
C. 2 n 5
E. N < 30
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