2025 SJI PRELIMS P1 Q6

2025 SJI PRELIMS P1 Q6

Secondary 4
2 marks

The marks of 19 students are shown.

StemLeaves
\(0\)
\(1\)\(7\quad 7\quad 8\)
\(2\)\(6\quad 8\quad 9\quad 9\quad 9\)
\(3\)\(1\quad 4\quad 6\quad 7\quad 8\quad 9\)
\(4\)3 4 6 6 \(x\)

Key: 2|6 means 26 marks.

  1. Write down the median mark.[1]
  2. The range is 32. Find \(x\).[1]

Solution:

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Answer:(a) \(34\) (b) \(x=9\)

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