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)
stem leaves
2 1,3,7,8
3 0,1,1,2,3,4,6,6,7,9
4

Explanation:

Step1: Identify data for stem 4

The data values with tens digit 4 (stem 4) are: 42, 44, 44, 48, 41, 45, 40, 44.

Step2: Sort the leaves

Sort the units digits (leaves) of the data values from step 1. The units digits are 2,4,4,8,1,5,0,4. Sorting them in ascending order: 0,1,2,4,4,4,5,8.

Answer:

0,1,2,4,4,4,5,8