A polling agency interviewed 200 persons. The age distribution of those persons was recorded as under
Age
80-89 70-79 60-69 50-59 40-49 30-39 20-29 10-19
Years
Frequency 2 2 6 20 56 40 42 32
Calculate mean age of the persons by Direct Method.

Dear student

The mean age of the person is 35.8 years
Regards

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