Math, asked by atharva2mundhe, 1 year ago

Can you solve 5th question

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Answers

Answered by ravi268333
0
I think this is write answer
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Answered by Arul1206
0

Answer:

42.53

Step-by-step explanation:

class  f1  x1  d1  u1  f1u1

20-30       25   25     -20     -2      -50

30-40        40   35     -10      -1       -40

40-50        42   45       0       0         0

50-60        33   55       10      1          33

60-70         10   65       20     2         20

total=          150                                 -37

   x= a+f1u1\∑f1 x (h)

   = 45+-37/150 x 10

    = 42.53            

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