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JAMB Mathematics 1979 Question 35

Question 35

Measures of Central Tendency

For the set of numbers 2, 3, 5, 6, 7, 7, 8

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

Answer: E (the mean is less than the median.)

Explanation

Mean = 38/7 ≈ 5.4, median = 6 and mode = 7. So the mean is less than the median.