Math, asked by 318asmitabarvaliya, 7 months ago

The arithmetic mean of following data is 18. Find missing frequency.

X 10-20 20-30 30-40 40-50 50-60 60-70 70-80

Frequency 3 6 9 13 F 5 4

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Answered by manishkumarsihag8016

2

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