mention any three merit of standard deviation
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It is rigidly defined and free from any ambiguity.
Its calculation is based on all the observations of a series and it cannot be correctly calculated ignoring any item of a series.
It strictly follows the algebraic principles, and it never ignores the + and – signs like the mean deviation.
Its calculation is based on all the observations of a series and it cannot be correctly calculated ignoring any item of a series.
It strictly follows the algebraic principles, and it never ignores the + and – signs like the mean deviation.
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Answer:
Merits of Standard Deviation
1. Based on all values
2. Rigidly defined
3. Less effect of fluctuations
4. Capable of algebraic treatment
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