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WAEC Mathematics 1988 Question 46

Question 46

Data Presentation

The histogram shows the number of candidates, in thousands, obtaining given ranges of marks in a State Examination. Find the total number of candidates that sat for the examination

Diagram for this question
  1. A.80,000
  2. B.120,000
  3. C.250,000
  4. D.260,000
  5. E.270,000.
Show the answer and explanation

Answer: E (270,000.)

Explanation

Add the heights of all the bars (in thousands): roughly 5 + 10 + 20 + 57 + 75 + 50 + 30 + 7 + 7 + 7 ≈ 270, i.e. about 270,000 candidates.