Adding a value to change a mean

Adding a value to change a mean

Secondary 2
TGM Original Questions

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

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

Solution:

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

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