Missing leaves from mode, mean and median

Missing leaves from mode, mean and median

Secondary 2
TGM Original Questions

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.
  2. Find \(A,B,C\).

Solution:

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

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