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.Management Sciences
Category: Statistics Mcqs
The class ___ are obtained when we divide the sums of the lower and upper class limits by 2?
A. Limit
B. Points
C. Marks
D. Class boundary
In normal distribution Q1=_________?
A. u + .6745 (S.D.)
B. u – .7979 (S.D.)
C. u + .6745 (S.D.)
D. u – .6745 (S.D.)
The smallest individuals which constitute the entire population are called __________________?
A. Sampling frame
B. Sampling units
C. Sample pop
D. Sample design
Events occurring together without affecting each other are called:_________________?
A. Dependent events
B. Independent events
C. Equally likely events
D. Mutually Exclusive events
The mean of 10 numbers is 9, then sum of these numbers will be__________________?
A. 9
B. 0.9
C. 70
D 90
95% confidence limits u are ________________?
A. x±1.65 6/√n
B. u±1.95 S/√n
C. x±1.96 6/√n
D. ±1.96 6/√n
Normal distribution is a probability distribution of _____ random variable?
A. Continuous
B. Constant
C. Discrete
D. Normal
A test is said to be most powerful test of size α, if_______________?
A. Among all other test of size α or less it has the largest power
B. Among all other test of size α or greater it has the largest 1 – α
C. Among all other test of size α or greater it has the smallest power
D. Among all other test of size α or greater it has the largest β
In testing for the difference between two populations, it is possible to use____________?
A. The Wilcoxon Rank-Sum test
B. The Sign test
C. None of the above
D. Either of the above
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