Patient complaints. The following data were collected from the number of patient complaints from a small medical service facility over a two-week period. The past year the average number of complaints was 4.57. The management team would like to use that as a baseline for monitoring.
Day
|
1 2 3 4 5 6 7 8
|
9
|
10
|
11
|
12
|
13
|
14
|
Complaints
|
3 6 1 2 12 5 7 0
|
4
|
6
|
3
|
5
|
2
|
8
|
Based on last year, using a c chart:
a) What is the center line?
b) Calculate the upper control limit.
c) Calculate the lower control limit.
d) Create the c chart for this two-week period.
e) Is this process out of control?