Question

Find the mean of following data by direct method.

Class
7.5-12.5 ,12.5-17.5 ,17.5-22.5, 22.5-27.5, 27.5-32.5

Frequency
5,10,7,8,2​

Answer 1

This is the answer .I think this may help you

Answer 2

Answer:

18.75

Step-by-step explanation:

is your answer

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