The Chief Nursing Officer (CNO) is concerned about medication errors in two hospital units. Collection of data over a year resulted in Table EX 12.1.
![403_Table.png](https://secure.tutorsglobe.com/CMSImages/403_Table.png)
a. Using a 95.5 percent confidence level, calculate the UCL and LCL for an appropriate control chart for each unit.
b. Construct the charts and identify any observations that are beyond the control limits.