Math, asked by sunny11216, 11 months ago

the mean of the following data is 18 . find the missing frequency f

C.I. F
11-13 3
13-15 6
15-17 9
17-19 13
19-21 F
21-23 5
23-25 4

Answers

Answered by enna11

1

the answer is 8 .I hope it helps you

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