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In any discrete series (when all values are not same) if $x$ represents mean deviation about mean and $y$ represents standard deviation, then which one of the following is correct?
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1410 Upvotes
Verified Answer
The correct answer is:
$x < y$
$x=\mathrm{M}, \mathrm{D}_{-,}, y=\mathrm{S} . \mathrm{D}$.
$$
\mathrm{M}, \mathrm{D},=\frac{4}{5} \mathrm{S.D.} \Rightarrow x < y
$$
$$
\mathrm{M}, \mathrm{D},=\frac{4}{5} \mathrm{S.D.} \Rightarrow x < y
$$
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