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JAMB Mathematics 1984 Question 45

Question 45

Data Presentation

The bar chart above shows the mark distribution in a class test. Find the number of students in the class.

Diagram for this question
  1. A.9
  2. B.2
  3. C.60
  4. D.30
  5. E.34
Show the answer and explanation

Answer: E (34)

Explanation

The number of students is the sum of the bar heights (frequencies) for all the mark groups.