Control of TFE's at Hallenvale Hospital Case This case requires you to assess the infection rate at the hospital and do the following: I Calculate the average percent of infections. I Create an appropriate control chart with upper and lower control limits, plot the data in a Control Chart (using Excel), and determine if the process is in control. I Determine what actions management should take. I Determine an appropriate 'I'FE for management to use to monitor future data