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UI Post-UTME Mathematics 2019 (Model questions) Question 7

Question 7

Measures of Central Tendency

Given the numbers 7, 6, 7, 8, 5, 2, 3

  1. A.the mean is greater than the mode
  2. B.the mean is greater than the median
  3. C.the mean is less than the median
  4. D.the mean is equal to the median
Show the answer and explanation

Answer: C (the mean is less than the median)

Explanation

Ordered: 2, 3, 5, 6, 7, 7, 8. Median = 6, mode = 7, mean = 38 ÷ 7 ≈ 5.43, which is less than the median.