Class Frequency ------ 0–20 6 20–40 10 40–60 16 60–80 12 80–100 6 (Classes are continuous: a –b means a le x < b.) The modal class is:

  1. 60–80
  2. 0–20
  3. 20–40
  4. 40–60
Answer

D) 40–60

The modal class has the highest frequency (16). SLO M-09-C-02 · Understanding

Mathematics MCQ · More Measures of Central Tendency MCQs · Practise