At Quick Car Wash, the wash process is advertised to take less than 8 minutes. Consequently, management has set a target average of 450 seconds for the wash process. Suppose the average range for a sample of 9 cars is 12 seconds. Use the accompanying table to establish control limits for sample means and ranges for the car wash process. 5 Click the icon to view the table of factors for calculating three-sig ma limits for the i-chart and R-chart. The UCLR equals 21 .79' seconds and the LCLR equals 221' seconds. (Enter your responses rounded to two decimal places.) The UCL; equals |:| seconds and the LCLi equals |:| seconds. (Enter your responses rounded to two decimal places.)