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.Management Sciences
Category: Statistics Mcqs
Major area of statistics today is concerned with drawing of conclusions from__________?
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A. Samples
B. Primary
C. Two
D. Complete study
A random variable is that whose value is determined by the outcome of _________________?
A. Trial
B. event
C. Experiment
D. Random experiment
In w.o.r 2σx=_____________________?
A. 26/√n√N – n/N – 1
B. σ/√n√N – n/N – 1
C. 26/√n N – n/N – 1
D. 26/√n
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 used to compare the variation or dispersion in two or more sets of data even though they are measured in different units?
A. Range
B. Standard Deviation
C. Coefficient of Variation
D. Mean Deviation
An index number is used______________?
A. To measure changes in quantity
B. To measure changes in price
C. To measure changes in a variable over time
D. To measure changes in demand
Most of the recent developments in statistics arose to meet the needs of ____________?
A. Biology
B. Three reasons
C. Hands
D. Physics
data classified by methods are called __________ data?
A. Row data
B. Grouped data
C. Quantitative data
D. Geographical
E. None of these
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