Question: Approximate the mean for following GFDT. Data Frequency 40-44 1 45-49 1 50-54 4 55-59 7 60-64 8 65-69 10 70-74 11 75-79 21

Approximate the mean for following GFDT. Data Frequency 40-44 1 45-49 1

Approximate the mean for following GFDT. Data Frequency 40-44 1 45-49 1 50-54 4 55-59 7 60-64 8 65-69 10 70-74 11 75-79 21 80-84 12 mean =

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