The mean deviation of the distribution 2, 4, 5, 2,5, 7,8 from median is

Foundation

Mathematics Foundation

Measure of Central Tendency

9th basic statistics

Question

The mean deviation of the distribution 2, 4, 5, 2,5, 7,8 from median is

$\frac{7}{12}$

$\frac{4}{11}$

$\frac{11}{4}$

$\frac{12}{7}$

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Median of given distribution is 5, m = 5
The mean deviation from median is
$= \frac{\sum |x_{i} - m|}{N} = \frac{12}{7}$