Interpreting a height stem-and-leaf

Interpreting a height stem-and-leaf

Secondary 2

TGM Original Questions

The heights of 15 students are shown.

Stem	Leaf
\(12\)	\(8\)
\(13\)	\(2\) \(7\)
\(14\)	\(1\) \(3\) \(5\) \(8\)
\(15\)	\(0\) \(4\) \(6\) \(9\)
\(16\)	\(2\) \(7\)
\(17\)	\(3\) \(3\)

Key: \(12|8=128\) cm. Find

the range,
the percentage below 145 cm,
the probability that a selected height is between 140 cm and 165 cm inclusive.

Solution:

Solution locked

Sign in to view the step-by-step solution

Similar questions are unavailable for this question.

Answer:(a) \(45\) cm; (b) \(33.3\%\); (c) \(3/5\).

Need help? Join our JC Math tuition classes.