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.Management Sciences
Category: Basic Statistics Mcqs
Which of the following is not based on all the observations ?
0
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
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
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