Missing leaves from mode, mean and median

Missing leaves from mode, mean and median

Secondary 2
5 marks
TGM Original Questions

Core stretch

The stem-and-leaf diagram contains missing leaf digits \(A,B,C\). The median is 35.5, the unique mode is 47, and the mean is 37.55.

  1. Find the percentage of times longer than 40.[1]
  2. Find \(A,B,C\).[4]

Solution:

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Answer:(a) \(40\%\) (b) \(A=4,B=7,C=8\).

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