WAEC Mathematics 2017 Objective — Question 30

Question 30 of 50 from the West African Examinations Council (WAEC) Mathematics 2017 Objective paper, with the correct answer and a full explanation.

[Use table: Marks 0,1,2,3,4,5 with Frequency 7,4,18,12,8,11 — distribution of marks scored by a number of pupils in a class test] Find the median of the distribution.

A. A. 4
B. B. 3Correct
C. C. 2
D. D. 1

Explanation

Number of observations = 7+4+18+12+8+11=60. Median = average of the 30th and 31st observations = (3+3)/2=3.

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