The following is the weight of the workers working in the factory-
Weight no. of workers
60 4
63 3
66 2
69 2
72 1
Find the mean.

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Solution

Mean =
A.M=(604+633+662+692+72*1)/(4+3+2+2+1)=64.25

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Similar questions

The following table shows the weights of $12$ workers in a factory:

$\begin{matrix} Weight (in kg) & 60 & 63 & 66 & 69 & 72 No. of workers & 4 & 3 & 2 & 2 & 1 \end{matrix}$

Find the mean weight of the workers.

Weight (in kg)	60	63	66	69	72
No. of workers	4	3	2	2	1

Weight (in kg) x:	60	61	62	63	64	65
No of workers f:	5	8	14	16	10	7

12

Weight (in kg)	$60$	$64$	$68$	$70$	$72$
Number of workers	$3$	$4$	$2$	$2$	$1$

Weight (in kg):	60	63	66	72	75
Numbers of workers:	4	5	3	1	2

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