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JAMB Mathematics 1981 Question 11

Question 11

Measures of Central Tendency

A group of 14 children received the following scores in a reading test: 35, 35, 26, 26, 26, 29, 29, 29, 12, 25, 25, 25, 25, 17. What was the median score?

  1. A.29
  2. B.26
  3. C.24.4
  4. D.25
  5. E.23.
Show the answer and explanation

Answer: B (26)

Explanation

In order: 12, 17, 25, 25, 25, 25, 26, 26, 26, 29, 29, 29, 35, 35. The 7th and 8th scores are both 26, so the median is 26.