2025 CGSS PRELIMS P1 Q16

2025 CGSS PRELIMS P1 Q16

Secondary 4
5 marks

The table below shows the number of books students read in a certain week.

Number of books\(0\)\(1\)\(2\)\(3\)\(4\)\(5\)
Number of students\(9\)\(13\)\(16\)\(21\)\(x\)\(17\)
  1. If the mode is 3, state the largest possible value of \(x\).[1]
  2. If the mean is 3, find the value of \(x\).[2]
  3. Melanie claims that it is not possible for the median to be 2. Explain whether you agree with Melanie’s claim.[2]

Solution:

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Answer:(a) \(20\) (b) \(35\) (c) Agree; the smallest possible median is \(2.5\)

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