Measures of Dispersion
The standard deviation is independent of:
Change of origin
Change of scale of measurement
Change of origin and scale of measurement
Difficult to tell
Change of scale of measurement
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Which measure of dispersion can be computed in case of openend classes?A. Standard deviation
B. Range
C. Quartile deviation
D. Coefficient of variation
The scatter in a series of values about the average is called:
A. Central tendency
B. Dispersion
C. Skewness
D. Symmetry
The sum of absolute deviations is minimum if these deviations are taken from the:
A. Mean
B. Mode
C. Median
D. Upper quartile
Study of scatteredness of observations is known as :
A. Measure of dispersion
B. Standard deviation
C. Measure of central tendency
D. None of the above
If there are many extreme scores on all examination, the dispersion is:
A. Large
B. Small
C. Normal
D. Symmetric
The measure of dispersion which is expressed in terms of the nits of observations:
A. Absolute measure
B. Variance
C. Relative measure
D. None of the above
If the difference of the third and first quartiles is divided by the sum of the third and first quartiles then it isknown as :
A. Quartile
B. Coefficient of mean deviation
C. Coefficient of quartile deviation
D. None of the above
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