The clinic medical director wants to know if there is a corr…

The clinic medical director wants to know if there is a correlation between the number of minutes patients must wait to see a physician and the time of day. Which graph would you use to display the data to help determine if a relationship exists between these two variables?

Staff members in the physical therapy department gather info…

Staff members in the physical therapy department gather information about the reasons why patient treatments do not start at the scheduled time. They want to group the reasons for late treatment starts into related categories to identify commonalities. What performance improvement tool could be used to sort the reasons into similar categories?