The following table shows the weekly pocket money (in ₹) received by 20 students: |…

MATHEMATICS · Single correct · CBSE · Mathematics · Statistics · Statistics

Problem

The following table shows the weekly pocket money (in ₹) received by 20 students: | Pocket money (₹) | 10–20 | 20–30 | 30–40 | 40–50 | | Frequency | 3 | 5 | 7 | 5 | Find the mean pocket money (in ₹) of the students. (a) 31.5 (b) 32 (c) 33.5 (d) 27

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