The following table shows the cumulative frequencies of marks obtained by 50 students…

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

Problem

The following table shows the cumulative frequencies of marks obtained by 50 students in a test.
Marks (class interval)Cumulative frequency
20–308
30–4020
40–5036
50–6047
60–7050
Which class interval is the median class? (a) 30–40 (b) 40–50 (c) 50–60 (d) 60–70

Related theory

Browse the problem library