When class intervals are unequal, the bars of a histogram should have heights equal to:

  1. the cumulative frequency
  2. the frequency
  3. the class width
  4. frequency ÷ class width
Answer

D) frequency ÷ class width

Using frequency density makes the area of each bar proportional to its frequency. SLO M-09-C-01 · Knowledge

Mathematics MCQ · More Frequency Distribution MCQs · Practise