Solving a frequency table from its mean

Solving a frequency table from its mean

Secondary 2
5 marks
TGM Original Questions

Core stretch

Scores 4, 6, 8 and 10 occur with frequencies 5, \(m\), 4 and 3. The mean score is 6.4.

  1. Find \(m\) and the total frequency \(n\).[3]
  2. State the mode and median.[2]

Solution:

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Answer:(a) \(m=13,n=25\) (b) mode \(6\), median \(6\).

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