WAEC Mathematics 2015 Objective — Question 27
Question 27 of 50 from the West African Examinations Council (WAEC) Mathematics 2015 Objective paper, with the correct answer and a full explanation.
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The scores of twenty students in a test are: 44,47,48,49,50,51,52,53,53,54,58,59,60,61,63,65,67,70,73,75. Find the third quartile.
- A. 62
- B. 63Correct
- C. 64
- D. 65
Explanation
Q3 position = (3/4)×20 = 15th value. The 15th value in the ordered list is 63.
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