What is the mean deviation of the numbers 1, | vedclass

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(B) The given set of numbers is $1, 2, 3, 4, 5$.First,calculate the mean $(\overline{x})$:$\overline{x} = \frac{1 + 2 + 3 + 4 + 5}{5} = \frac{15}{5} =

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$1.2$

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(B) The given set of numbers is $1, 2, 3, 4, 5$.First,calculate the mean $(\overline{x})$:$\overline{x} = \frac{1 + 2 + 3 + 4 + 5}{5} = \frac{15}{5} = 3$.Next,calculate the mean deviation about the mean using the formula $\frac{\sum |x_i - \overline{x}|}{N}$:$|1 - 3| = 2$$|2 - 3| = 1$$|3 - 3| = 0$$|4 - 3| = 1$$|5 - 3| = 2$Sum of absolute deviations $= 2 + 1 + 0 + 1 + 2 = 6$.Mean deviation $= \frac{6}{5} = 1.2$.

Class interval	$0-4$	$4-8$	$8-12$	$12-16$	$16-20$
Frequency	$4$	$6$	$8$	$5$	$2$

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

What is the mean deviation of the numbers $1, 2, 3, 4, 5$?

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