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JAMB Mathematics 2000 Question 48

Question 48

Measures of Dispersion

Find the sum of the range and the mode of the set of numbers 10, 5, 10, 9, 8, 7, 7, 10, 8, 10, 8, 4, 6, 9, 10, 9, 10, 9, 7, 10, 6, 5.

  1. A.16
  2. B.14
  3. C.12
  4. D.10
Show the answer and explanation

Answer: A (16)

Explanation

The range is 10 − 4 = 6 and the mode is 10 (it appears 7 times). Their sum is 16.