Question

a random sample of 40 college professors is selected from all professors at a university. the following list gives their ages.
66, 48, 46, 42, 30, 51, 47, 44, 48, 21, 58, 62, 56, 44, 61,
68, 59, 49, 51, 28, 37, 68, 41, 45, 32, 39, 40, 31, 27, 44,
69, 31, 36, 41, 23, 34, 45, 33, 36, 54.
construct a stem - and - leaf plot for the data. complete parts a. and b.
a. determine the leaves for each corresponding stem. complete the table below.
(use ascending order.)
\

$$\begin{tabular}{cc}\\hline stem & leaves \\\\ \\hline 2 & 1,3,7,8 \\\\ 3 & 0,1,1,2,3,4,6,6,7,9 \\\\ 4 & \\square \\\\ \\end{tabular}$$

Explanation:

Step1: Identify data for stem 4

Look at the data values: 42, 46, 48, 44, 48, 44, 49, 45, 41, 45, 44.

Step2: Extract leaves

The units digits (leaves) for these values are 2,6,8,4,8,4,9,5,1,5,4.

Step3: Sort leaves

Sort them in ascending order: 1,2,4,4,4,5,5,6,8,8,9.

Answer:

1,2,4,4,4,5,5,6,8,8,9