Scott Paper tests its toilet paper by subjecting 15 rolls to wet stress test to see whether and how often the paper tears throughout the test. Following are the number of defectives found over last 15 days: 2, 2, 1, 1, 1, 3, 4, 4, 1, 1, 2, 2, 2, 2 and 2.
Find out the control limits for the process. (Round your answers to 2 decimal places.)
The control limits are from to tears.