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All problems in Chapter 13

Problem 13.1 · Statistics

Finding the median class

Where would you look first?

  1. find
  2. lens
  3. answer
  4. probe

The marks of 40 students are grouped: 0–10: 4, 10–20: 14, 20–30: 8, 30–40: 9, 40–50: 5. Find the median mark.

n/2 = 2020–30

Source: Practice (NCERT style)

Tap the part of the question you would look at first.