Math, asked by srivathsasena, 1 month ago

find the mean of the following data, by direct method
C.I 1-5 5-9 9-13 13-17 17-21
f 4 3 5 7 1
N=20

Answers

Answered by sharanyavpoojary

5

Answer:

m= 10.6

Step-by-step explanation:

i hope this is help full to you

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