2020 · Q91
Fifteen candidates appeared in an examination. The marks of the candidates who passed in the examination are 9, 6, 7, 8, 8, 9, 6, 5, 4 and 7. What is the median of marks of all the fifteen candidates?
Elementary MathematicsStatistics
- A6
- B6.5
- C7
- D7.5
Explanation
The 5 failed candidates score below the 10 listed marks; in the sorted list of 15 the 8th value (the median) is 6. Hence option (A). The 8th of 15 ordered values is the median; with five lower failed scores, the 8th value falls among the listed marks at 6.