JSCE Mathematics 2024 Objective — Question 67
Question 67 of 80 from the Junior Secondary Certificate Examination (JSCE) Mathematics 2024 Objective paper, with the correct answer and a full explanation.
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The mean age of the sample of patients are x, 5, (x - 1), 8, and (x + 3) is 12 years. What is their median age?
- A. 8yrs
- B. 14yrsCorrect
- C. 15yrs
- D. 18yrs
Explanation
Sum = 5 x 12 = 60, so 3x + 15 = 60 and x = 15. The ages are 15, 5, 14, 8, 18, which in order are 5, 8, 14, 15, 18. The median is 14.
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