WAEC Mathematics 2016 Objective — Question 45

Question 45 of 50 from the West African Examinations Council (WAEC) Mathematics 2016 Objective paper, with the correct answer and a full explanation.

45. Find the lower quartile of the distribution illustrated by the cumulative frequency curve. A. 17.5 B. 19.0 C. 27.5 D. 28.0

• A. 17.5
• B. 19.0Correct
• C. 27.5
• D. 28.0

Explanation

First quartile = 25th percentile = 25% of 600 = 150th term, whose corresponding score is 19.

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