Business Statistics

M

Mr. Dubey • 51.17K Points
Coach

Q 11. Standard deviation is always computed from

(A) Mean
(B) Median
(C) Mode
(D) geometric mean
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M

Mr. Dubey • 51.17K Points
Coach

Q 12. The coefficient of variation cannot be meaningfully used to compare the variability of two or more sets of data, when

(A) The standard deviation is zero for one or more sets of data
(B) The standard deviation is 1 for one or more sets of data
(C) The mean is zero for one or more sets of data
(D) The mean is 1 for one or more sets of data
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M

Mr. Dubey • 51.17K Points
Coach

Q 13. For a symmetrical distribution Q1=25, Q3=45, the median is

(A) 20
(B) 25
(C) 35
(D) None of these
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M

Mr. Dubey • 51.17K Points
Coach

Q 14. Following are the Relative measures of dispersion except

(A) Co-efficient of Mean deviation
(B) Standard deviation
(C) Co-efficient of Range
(D) Co-efficient of Quartile deviation
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M

Mr. Dubey • 51.17K Points
Coach

Q 15. The degree of peaked ness or flatness of a unimodal distribution is called:

(A) Skewness
(B) Kurtosis
(C) Dispersion
(D) Normal distribution
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M

Mr. Dubey • 51.17K Points
Coach

Q 16. If the values of mean, median and mode coincide in a unimodal distribution, then the distribution will be:

(A) Positively Skewed
(B) Symmetrical
(C) Negatively Skewed
(D) None of these
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M

Mr. Dubey • 51.17K Points
Coach

Q 17. In order to compare two series we can use

(A) Coefficient of Variation
(B) Standard deviation
(C) Coefficient of Skewness
(D) Coefficient of kurtosis
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M

Mr. Dubey • 51.17K Points
Coach

Q 18. The standard deviation is independent of:

(A) Change of scale
(B) Change of origin
(C) Change of origin and scale
(D) None of these
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M

Mr. Dubey • 51.17K Points
Coach

Q 19. Which of the following is a unit free measure of dispersion:

(A) Range
(B) Standard deviation
(C) Interquartile range
(D) Coefficient of range
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M

Mr. Dubey • 51.17K Points
Coach

Q 20. The mean deviation is minimum when deviations are taken from:

(A) Mean
(B) Median
(C) Mode
(D) None of these
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