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WAEC Mathematics 1993 Question 43

Question 43

Measures of Central Tendency

The diagram below shows the distribution of marks for a class test. How many students took the examination?

Diagram for this question
  1. A.18
  2. B.20
  3. C.21
  4. D.23
  5. E.24
Show the answer and explanation

Answer: E (24)

Explanation

Add the bar heights for marks 3 to 9: 2 + 4 + 3 + 6 + 6 + 2 + 1 = 24.