Tim Gan Math
Sign up free

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:

Solution locked

680+ questions here come with free worked solutions. A free account saves your questions and progress; this one needs a course plan.

Create free accountSign inGet the E Math course · from S$29.98/moE Math tuition

Create a free account to practise similar questions.

Create free accountSign inGet the E Math course · from S$29.98/moE Math tuition
Answer:(a) \(5\) (b) \(10\) (c) \(17\).

Need help? Join our E-Maths tuition for O-Level success.

Learn more