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.Management Sciences
Category: Basic Statistics Mcqs
If a and b are two constants, then Var(a+bX) is_______________?
0
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
Life of a T.V picture tube is a:___________?
A. Discrete variable
B. Continuous variable
C. Qualitative variable
D. Constant
Statistics has handicap dealing with_____________?
A. Constant
B. Variable
C. Quantitative data
D. Qualitative data
The calculation of mean and variance is based on______________?
A. Small values only
B. Large values only
C. Extreme values only
D. All values
In natural Sciences, statistics____________.
A. Has no role
B. Average
C. Plays an Important role
D. Study
If the third moment about mean is zero then distribution is_______________?
A. Mesokurtic
B. Positively Skewed
C. Symmetrical
D. Negatively Skewed
Statistics laws are true for______________?
A. Short run
B. Long run
C. Medium period
D. None of these
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