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WAEC Mathematics 1992 Question 39

Question 39

Measures of Central Tendency

The data below shows the frequency distribution of marks scored by a group of students in a class test.
Marks: 2, 3, 4, 5, 6
Frequency: 2, 4, 5, 3, 1
How many students took the test?

  1. A.13
  2. B.14
  3. C.15
  4. D.18
  5. E.20
Show the answer and explanation

Answer: C (15)

Explanation

Add the frequencies: 2 + 4 + 5 + 3 + 1 = 15.