Dispersion of data is measured by -a) Coefficient of correlationb) Rangec) Standard deviationd) Coefficient of variatione) Normal distribution curve
Correct Answer: bcd
Description: Measure of dispersion (Variation)
Absolute: Range, Quartile deviation, Mean deviation, standard deviation.
Relative: Co-efficient of range, co-efficient of quartile deviation, coefficient of mean deviation, co-efficient of variation.
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