Question: Estimate the mean from this table of grouped data and frequencies: From To 20 5 20 40 12 40 18 60 60 80 9. Total

Estimate the mean from this table of grouped data and frequencies:

From To 20 5 20 40 12 40 18 60 60 80 9. Total 44 v v v v

From To 20 5 20 40 12 40 18 60 60 80 9. Total 44 v v v v

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