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The mean deviation about the median of the following distributions is
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Verified Answer
The correct answer is:
7.5
$\because$ Here, $n=7$ (odd)
$\therefore$ Median $=\left(\frac{n+1}{2}\right)$ observation
$$
=4 \text { observation }=24
$$
Mean deviations
$$
=\frac{\Sigma f i\left(x_1-\text { Median }\right)}{\Sigma f i}=\frac{510}{68}=7.5
$$
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