Tree heights and a suitable diagram

Tree heights and a suitable diagram

Secondary 2
TGM Original Questions

Tree heights are shown.

StemLeaf
\(12\)\(2\) \(5\) \(8\)
\(13\)\(1\) \(4\) \(4\) \(7\) \(9\)
\(14\)\(0\) \(2\) \(5\) \(5\) \(5\)
\(15\)\(1\) \(3\) \(6\) \(8\) \(9\)
\(16\)\(2\) \(4\)

Key: \(12|2=122\) cm.

    1. Find the mode.
    2. Find the fraction above 150 cm.
    3. Among the bottom 20% when ordered, find the tallest height.
  2. Choose a dot plot or histogram, justify, and draw it.

Solution:

Solution locked

Sign in to view the step-by-step solution

Similar questions are unavailable for this question.
Answer:(a)(i) \(145\) cm; (ii) \(7/20\); (iii) \(131\) cm; (b) dot plot, with one dot per listed height.

Need help? Join our JC Math tuition classes.

Learn more