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WAEC Mathematics 1993 Question 41

Question 41

Measures of Central Tendency

Find the median of the set of numbers 12, 15, 13, 14, 12, 12.

  1. A.12
  2. B.12.5
  3. C.13
  4. D.13.5
  5. E.14
Show the answer and explanation

Answer: B (12.5)

Explanation

In order: 12, 12, 12, 13, 14, 15. The median is the mean of the 3rd and 4th: (12 + 13)/2 = 12.5.