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WAEC Mathematics 2012 Question 29

Question 29

Data Presentation

The bar chart shows the frequency distribution of marks scored by students in a class test. How many students are in the class?

Diagram for this question
  1. A.10
  2. B.24
  3. C.25
  4. D.30
Show the answer and explanation

Answer: C (25)

Explanation

Add the bar heights for marks 1, 2, 3, 4: 6 + 8 + 6 + 5 = 25.