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.Management Sciences
Category: Basic Statistics Mcqs
The first hand and unorganized form of data is called_______________?
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A. Secondary data
B. Organized data
C. Primary data
D. None of these
If any of the value in data set is negative then it is impossible to compute:_____________?
A. Arithmetic Mean
B. Harmonic Mean
C. Geometric Mean
D. Mode
E. Median
Standard deviation is calculated from the Harmonic Mean (HM) ________________?
A. Always
B. Sometimes
C. Never
D. None of these
2nd Quartile = 5th Decile = 50th Percentile = ?
A. Mode
B. Median
C. Mean
D. Geometric Mean
E. Harmonic Mean
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
Which of the following is not based on all the observations ?
A. Arithmetic Mean
B. Geometric Mean
C. Harmonic Mean
D. Weighted Mean
E. Mode
Sum of dots when two dice are rolled is____________?
A. a discrete variable
B. a continuous variable
C. a constant
D. a qualitative variable
According to the empirical rule, approximately what percent of the data should lie within μ±σ?
A. 75%
B. 99.7%
C. 90%
D. 95%
Variance is always calculated from___________?
A. Mean
B. Variance
C. Geometric Mean
D. Median
E. Mode
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