Question

find the mean of the following frequency distribution class ; 21-25, 26-30,31-35, 36-40,41-45,46-50,51-55; frequency - 18,32,30,40,25,15,40​

Answer 1

Step-by-step explanation:

find the mean of the following frequency distribution class ; 21-25, 26-30,31-35, 36-40,41-45,46-50,51-55; frequency - 18,32,30,40,25,15,40

Answer 2

Step-by-step explanation:

The men of frequency is 36.755 .

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