Discrete Mathematics
# Data Presentation

How many observations are recorded in the following stem and leaf plot?

$\begin{array} { r | l } 14 & 4 2 13 3 \\ 15 & 7 4 \\ 16 & 13 32 7 9 \\ 17 & 7 19 4 \\ \end{array}$

Victor measured the heights of his students, who ranged from 110 cm to 150 cm. He recorded the data in the following ordered stem and leaf plot.

$\begin{array} { r | l } 11 & 0 1 3 5 8 9 \\ 12 & 1 2 4 5 8 \\ 13 & 2 5 5 7 9 \\ 14 & 0 1 2 6 8 \\ \end{array}$

What is the median height in class?

Victor measured the heights of his students, who ranged from 80 cm to 120 cm. He recorded the data in the following stem and leaf plot.

$\begin{array} { r | l } 8 & 8 5 10 \\ 9 & 12 0 10 \\ 10 & 10 8 12 2 \\ 11 & 12 1 8 \\ \end{array}$

What is the height of the tallest student in class?

Victor measured the heights of his students, who ranged from 80 cm to 120 cm. He recorded the data in the following stem and leaf plot.

$\begin{array} { r | l } 8 & 8 5 4 \\ 9 & 16 0 4 \\ 10 & 4 8 16 2 \\ 11 & 16 1 8 \\ \end{array}$

What is the height of the shortest student in class?

Which of the following statements is always true of Stemplots?