The mean deviation of the numbers 3, 4, 5, 6, | vedclass

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(B) First,calculate the arithmetic mean $(\bar{x})$:$\bar{x} = \frac{3 + 4 + 5 + 6 + 7}{5} = \frac{25}{5} = 5$Next,calculate the mean deviation about

Vedclass · Accepted Answer

$1.2$

Vedclass · Answer

(B) First,calculate the arithmetic mean $(\bar{x})$:$\bar{x} = \frac{3 + 4 + 5 + 6 + 7}{5} = \frac{25}{5} = 5$Next,calculate the mean deviation about the mean using the formula:$	ext{Mean Deviation} = \frac{\sum |x_i - \bar{x}|}{n}$Substitute the values:$= \frac{|3 - 5| + |4 - 5| + |5 - 5| + |6 - 5| + |7 - 5|}{5}$$= \frac{|-2| + |-1| + |0| + |1| + |2|}{5}$$= \frac{2 + 1 + 0 + 1 + 2}{5} = \frac{6}{5} = 1.2$

$x_i$	$10$	$30$	$50$	$70$	$90$
$f_i$	$4$	$24$	$28$	$16$	$8$

The mean deviation of the numbers $3, 4, 5, 6, 7$ is

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