Q53
Whenever we want to compare the variability of two series which differ widely in their averages or which are measured in different units, we calculate the . . . . . . . . , which being ratios, are numbers independent of the units of measurement.
A.
Mean deviation
B.
Co-efficient at dispersion
AnswerC.
Dispersions
D.
None of the above
Answer: Option B
Solution
Answer: Option B
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