For the following distribution of test scores

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

Problem

For the following distribution of test scores, what is the cumulative frequency up to the class 40–50? 10–20: 3 students 20–30: 7 students 30–40: 12 students 40–50: 8 students 50–60: 5 students (a) 35 (b) 22 (c) 30 (d) 8

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