Adding a value to change a mean

Adding a value to change a mean

Secondary 2
4 marks
TGM Original Questions

For the data \(2,5,5,5,8,10,12,14,16,18,20\), find

  1. the mode,[1]
  2. the median,[1]
  3. the value \(x\) that must be added so the new mean is 11.[2]

Solution:

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Answer:(a) \(5\) (b) \(10\) (c) \(17\).

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