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WAEC Mathematics 2022 Question 39

Question 39

Measures of Central Tendency

The ages (years) of some members in a singing group are: 12, 47, 49, 15, 43, 41, 13, 39, 43, 41 and 36. Find the mean.

  1. A.33.35
  2. B.35.54
  3. C.34.45
  4. D.36.44
Show the answer and explanation

Answer: C (34.45)

Explanation

The ages add up to 379, so the mean is 379 ÷ 11 ≈ 34.45.