Math, asked by kajalvyawharevyawhar, 15 days ago

class 0_10, 10_20,20_30, 30_40, 40_50,) and value of frequencies are 12,28,46,45,29 respectively the value of n would be?

Answers

Answered by aaravsharma3110
0

Answer:

Class Interval frequency (fi) Mid value fixi

0-10 12 5 60

10-20 16 15 240

20-30 6 25 150

30-40 7 35 245

40-50 9 45 405

N=∑fi=50 ∑fixi=1100

∴Mean=

∑fi

______

∑fixi

=

50

_______

1100

=22

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