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JAMB Mathematics 2003 Question 40

Question 40

Measures of Central Tendency

By how much will the mean of 30, 56, 31, 55, 43 and 44 less than the median?

  1. A.0.75
  2. B.0.50
  3. C.0.33
  4. D.0.17
Show the answer and explanation

Answer: C (0.33)

Explanation

Mean = 259/6 ≈ 43.17. In order 30, 31, 43, 44, 55, 56, so the median is 43.5. Difference ≈ 0.33.