7.12. Applications of Box-and-Whisker Plots http://www.ck12.org
Example C
Construct a box-and-whisker plot using technology to represent the average number of sick days used by 9 employees
of a large industrial plant. The numbers of sick days are as follows:
39 31 18 34 25 22 32 23 22
What are the values for the five-number summary?
The screens below show the five-number summary:
The values for the five-number summary are as follows:
Min. Value→ 18
Q 1 → 22
Med→ 25
Q 3 → 33
Max. Value→ 39
This can be verified by pressing
STAT
and using 1-Var Stats on the CALC menu for L1.