Question

Find the mean deviation about the mean for 3,6,10,4,9,10
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Answer 1

$\huge\underbrace{\overbrace{\boxed{\boxed{\underline{\mathfrak{Answer:}}}}}}}$

$\bold{Mean\:x=\frac{3+6+10+4+9+10}{6}=\frac{42}{6} =7, }\\\\\bold{Means\:deviation\:about\:mean=\frac{|3-7|+|6-7|+|10-7|+|4-7|+|9-7|+|10-7|}{6} }\\\\\bold{=\frac{4+1+3+3+2+3}{6},}\\\\\bold{\frac{16}{6}, }\\\\\bold{=\frac{8}{3} }$

Answer 2

Answer:

Meanx=

6

3+6+10+4+9+10

=

6

42

=7,

Meansdeviationaboutmean=

6

∣3−7∣+∣6−7∣+∣10−7∣+∣4−7∣+∣9−7∣+∣10−7∣

=

6

4+1+3+3+2+3

,

6

16

,

=

3

8