The heights (in cm) of saplings were grouped as below: Below 20, 20–29, 30–37.

MATHEMATICS · Multi-part · CBSE · Mathematics · Statistics · Statistics

Problem

The heights (in cm) of saplings were grouped as below: Below 20, 20–29, 30–37. (a) Convert all the above class intervals to continuous form. (b) Write the class mark for each adjusted class.

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