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 01124445567889
5 114689
6

Explanation:

Step1: Identify numbers with stem 6

Numbers with stem 6 (i.e., numbers in the 60 - 69 range) are 66, 62, 61, 68, 68, 69.

Step2: Extract leaves

The units - digit (leaves) of these numbers are 6, 2, 1, 8, 8, 9.

Step3: Sort leaves

Sort the leaves \(1,2,6,8,8,9\) in ascending order.

Answer:

1, 2, 6, 8, 8, 9