The following information is for questions 6 (4 points) A teller at a drive-up window at a bank had the following service times (in minutes) for 20 randomly selected customers: Sample #1 (10AM-11AM) Sample #2 (11AM-Noon) Sample #3 (Noon-1PM) Sample #4 (1PM-2PM) 4.5 4.6 4.5 4.7 4.2 4.5 4.6 4.6 4.2 4.4 4.4 4.8 4.3 4.7 4.4 4.5 4.3 4.3 4.6 4.9 What will the UCL and LCL for X-bar Chart. (Do not round intermediate calculations. Round your answers to three decimal places)