Exercise 1:
Consider the control chart in Exercise 12.2, part ( b) ,
a. Perform a median run test and an up/down run test, using 95.5 percent confidence intervals.
b. Are the patient fall patterns random in this unit?
Exercise 2:
The data in Table EX 12.2 records the patient falls in three care units over a seventeen - week period.
a. For each unit, calculate LCL and UCL for an appropriate control chart, using 95.5 percent confidence limits.
b. Construct a control chart for each unit.
c. Are any observations in violation of the control limits for the unit?
