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WAEC Further Mathematics 2017 Question 32

Question 32

Statistics

The table shows the results of tossing a fair die 150 times.
Face: 1, 2, 3, 4, 5, 6
Frequency: 12, 18, y, 30, 2y, 45
Find the mode.

  1. A.3
  2. B.4
  3. C.5
  4. D.6
Show the answer and explanation

Answer: D (6)

Explanation

With y = 15 the frequencies are 12, 18, 15, 30, 30, 45. Face 6 occurs most often, so the mode is 6.