CPM Homework Help : CC1MN Problem 2-8

Copy and complete the stem-and-leaf plot at right for the following set of data: $64$ , $87$ , $52$ , $12$ , $17$ , $23$ , $45$ , $88$ , $45$ , $92$ , $62$ , $76$ , $77$ , $34$ , and $53$ .

$\boxed{\text{Key}\\ \begin{array} {c | c}{1} & {2 \quad \text{means }12} \end{array} }$ $\qquad \begin{array} {c | c c }1 & 2 & 7 \\ 2\\ 3\\ 4\\ 5\\ 6\\ 7\\ 8\\ 9 \end{array}$

Hint:

Start by ordering the data from least to greatest.

$12,17,23,34,45,45,52,53,62,64,76,\\77,87,88,92$

More Help:

Now place the last digit of each number in the ''leaf'' of the plot.

Answer:

$\begin{array} {c | c c}1 & 2 & 7\\ 2 & {\color{red}3}\\ 3 & {\color{red}4}\\ 4 & {\color{red}5} & {\color{red}5}\\ 5 & {\color{red}2} & {\color{red}3}\\ 6 & {\color{red}2} & {\color{red}4}\\ 7 & {\color{red}6} & {\color{red}7}\\ 8 & {\color{red}7} & {\color{red}8}\\ 9 & {\color{red}2} \end{array}$