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.Management Sciences
Category: Statistics Mcqs
Primary data and _____________ data are same?
A. Grouped
B. Secondary data
C. Ungrouped
D. None of these
In statistics, a sample means______________?
A. A portion of the sample
B. A portion of the population
C. all the items under investigation
D. none of the above
When we add the lower and upper class limits and dividing the sum by, the values so obtained are called class____________?
A. Interval
B. Histogram
C. Limits
D. Marks
The Estimation and testing of hypothesis are main branches of ________________?
A. Sampling
B. Probability distribution
C. Regression
D. Statistical Inference
An estimator Q is an unbiased estimator of the population parameter Q if ___________________?
A. E(x) = µ
B. E(Q) =Q
C. E(Q) =Q
D. E(P) = P
The sum of squared deviations of a set of n values from their mean is__________________?
A. Zero
B. Maximum
C. Least
D. None
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