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JAMB Mathematics 2004 Question 41

Question 41

Data Presentation

I. Rectangular bars of equal width
II. The height of each rectangular bar is proportional to the frequency of the corresponding class interval.
III. Rectangular bars have common sides with no gaps in-between.
A histogram is described completely by

  1. A.I and II
  2. B.I and III
  3. C.I, II and III
  4. D.II and III
Show the answer and explanation

Answer: C (I, II and III)

Explanation

In the usual school histogram the bars have equal widths, their heights show the frequencies and they touch with no gaps, so all three statements are needed.