Math, asked by ameesanju12, 11 months ago

plz solve this step by step very very important sum

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Answers

Answered by MohanMeher

1

X F M FM

0 -10 4 5 20

10 -20 6 (10-4) 15 90

20 -30 8 (18-10) 25 200

30 - 40 10 (28-18) 35 350

40 - 50 12 (40-28) 45 540

50 - 60 30 (70-30) 55 1650

£F =70

£FM=2850

Mean = £FM/N = 2850/70 = 40.71 Ans

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