Question

Using assumed mean method find the mean of the
following frequency distribution.
Class 63-65 66-68 69-71 72-74 75-77
Frequency
4
3
7
8
3​

Answer 1

The above solution is by Assumed mean method.

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Answer 2

Answer:

The above method is by Assumed mean method.

Refer the above attachment for better understanding.

Hope you understood.