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.Management Sciences
Category: Basic Statistics Mcqs
Variance is always calculated from___________?
0
A. Mean
B. Variance
C. Geometric Mean
D. Median
E. Mode
The sum of values divided by their number is called___________?
A. Median
B. Harmonic Mean
C. Mean
D. Mode
E. None of these
The most repeated (popular) value in a data set is called___________?
A. Median
B. Mean
C. Mode
D. Geometric Mean
E. Harmonic Mean
The mean of 10 numbers is 9, then sum of these numbers will be__________________?
A. 9
B. 0.9
C. 70
D 90
The sum of squared deviation is least from_________________?
A. Median
B. Mean
C. Mode
D. Standard Deviation
Data being used by an agency which is originally collected by them are _______ data?
A. Quantitative
B. Primary
C. Discrete
D. Secondary
In inferential statistics, we study____________?
A. the methods to make decisions about population based on sample results
B. how to make decisions about mean, median, or mode
C. how a sample is obtained from a population
D. None of the above
If a and b are two constants, then Var(a+bX) is_______________?
A. a±bVar(X)
B. Var(a)±Var(X)
C. ±bVar(X)
D. b2Var(X)
E. (a±b)Var(X)
Dependence of difference on statistics is for_______________?
A. Two reasons
B. Short run
C. Three reasons
D. Natural Sciences
Which one of the following measurement does not divide a set of observations into equal parts ?
A. Quartiles
B. Standard Deviations
C. Percentiles
D. Deciles
E. Median
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