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.Management Sciences
Category: Statistics Mcqs
Let X1,X2,…Xn be a random sample from the density f(x;(θ), where θ may be vector. If the conditional distribution of X1,X2,…Xn given S=s does not depend on θ for any value of s of S, then statistic is called?
0
A. Minimal sufficient statistic
B. Sufficient statistic
C. Efficient
D. Minimax statistics
Population census is conducted through_______________?
A. Sample survey
B. Accounting
C. Investigation
D. Complete enumeration
Non-sample errors are reduced by:________________?
A. Increasing the sample size
B. Reduced the amount of data
C. Decreasing the sample standard deviation
D. None of these
The sum of squares of deviation is least if measure from__________?
A. Mean
B. Mode
C. Median
D. Variance
When in a frequency distribution the maximum frequency occur at one end, then the frequency curve of such distribution is ________________?
A. J- shaped
B. U- shaped
C. Bell- shaped
D. V- shaped
In which distribution successive trials are without replacement:____________________?
A. Hypergeometric distribution
B. Binomial distribution
C. Poisson distribution
D. Geometric distribution
When using the sign test, if two scores are tied, then_____________?
A. We count them
B. We discard them
C. We depends upon the scores
D. non of these
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