Question

use a stem-and-leaf plot to display the data, which represent the numbers of hours 24 nurses work per week. describe any
40 40 47 48 35 40 36 54 32 36 40 35
30 25 40 36 40 36 40 33 40 32 38 29
determine the leaves in the stem-and-leaf plot below.
key: 3|3 = 33
hours worked
2
3
4
5

Explanation:

Step1: Identify data for stem 2

Numbers with tens digit 2: 25, 29. So leaves are 5, 9.

Step2: Identify data for stem 3

Numbers with tens digit 3: 35, 36, 32, 36, 35, 30, 36, 36, 33, 32, 38. Sort leaves: 0,2,2,3,5,5,6,6,6,6,8.

Step3: Identify data for stem 4

Numbers with tens digit 4: 40,40,47,48,40,40,40,40,40,40. Sort leaves: 0,0,0,0,0,0,0,7,8.

Step4: Identify data for stem 5

Numbers with tens digit 5: 54. Leaf is 4.

Answer:

• Stem 2: 5, 9
• Stem 3: 0, 2, 2, 3, 5, 5, 6, 6, 6, 6, 8
• Stem 4: 0, 0, 0, 0, 0, 0, 0, 7, 8
• Stem 5: 4