The ages of 60 trees in a botanical garden are grouped as follows: Age (years) |…

MATHEMATICS · Subjective · CBSE · Mathematics · Statistics · Statistics

Problem

The ages of 60 trees in a botanical garden are grouped as follows: Age (years) | Number of trees 0–5 | 7 5–15 | 12 15–25 | 18 25–30 | 9 30–40 | 14 Determine the mean age of the trees.

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