there are 200 workers in a factory. the average earning of each worker

1.	there are 200 workers in a factory. the average earning of each worker in a week is 500rs, find thier total earnings for the week.
Answer» ong>Answer: Calculation for mean CLASS Mid value (x) frequency f y= 50 x−325 fy 100-150 125 4 -4 -16 150-200 175 8 -3 -24 200-250 225 14 -2 -28 250-300 275 42 -1 -42 300-350 325 50 0 0 350-400 375 40 1 40 400-450 425 32 2 64 450-500 475 6 3 18 500-550 525 4 4 16 N=200 ∑fy=138−110=28 Mean( x ˉ )=A+ N ∑fy ×d =325+ 200 28 ×50 =325+7 =Rs332

there are 200 workers in a factory. the average earning of each worker in a week is 500rs, find thier total earnings for the week.

Answer»

ong>Answer:

Calculation for mean

CLASS Mid value (x) frequency

f y=

x−325

100-150 125 4 -4 -16

150-200 175 8 -3 -24

200-250 225 14 -2 -28

250-300 275 42 -1 -42

300-350 325 50 0 0

350-400 375 40 1 40

400-450 425 32 2 64

450-500 475 6 3 18

500-550 525 4 4 16

N=200 ∑fy=138−110=28

Mean(

)=A+

∑fy

×d

=325+

200

×50

=325+7

=Rs332

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there are 200 workers in a factory. the average earning of each worker in a week is 500rs, find thier total earnings for the week.​

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there are 200 workers in a factory. the average earning of each worker in a week is 500rs, find thier total earnings for the week.