Question

The mean deviation of wages of rupees 250, 300, 325, 350, 400, 445 and 450 from its median, is
i) 60
ii) Rs. 60
iii) 0.171
iv) 40 ​

Answer 1

Answer:

1. the mean 250,300, 325, 350, 400, 445 450/7

2520÷7

360 answers

2.the median 60, 60, 0.171, 40=4 digit

median 5 answer

Answer 2

The mean deviation of wages from its median is 64.28 .

Given :

250, 300, 325, 350, 400, 445 and 450 .

We need to find the mean deviation from its median .

Therefore ,

$M=\dfrac{250+300+325+400+445+450}{7}\\\\M=310$

Now , mean deviation from median is defined as :

$M.D=\Sigma\dfrac{|x_i-M|}{n}$

So , $M.D=\dfrac{|250-310|+|300-310|+|325-310|+|400-310|+|445-310|+|450-310|}{7}\\\\M.D=\dfrac{60+10+15+90+135+140}{7}\\\\M.D =64.28$Hence , this is the required solution .

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Mean Deviation

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