Question

find the mean of 200+450+300+250+100+50​

Answer 1

Answer:

1,350

Step-by-step explanation:

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Answer 2

Answer:

Rs.352

Step-by-step explanation:

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

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