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WAEC Mathematics 2022 Objective — Question 39

Question 39 of 50 from the West African Examinations Council (WAEC) Mathematics 2022 Objective paper, with the correct answer and a full explanation.

Find the mean (of the ages data above).

A. 33.35
B. 35.54
C. 34.45Correct
D. 36.44

Explanation

Mean = sum/count = (12+13+15+36+39+41+41+43+43+47+49)/11 = 379/11 = 34.45.

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