Save Question 4, Problem 1 HW Score: 30% 3 o 10 ports Part 2 of 2 O Points: 0 of 2 At Quickie Car Wash the wash process is advertised to take than 6 minutes Consequently management has set taget average of 30 words to washrooms.com sample of 7 cars is 8 seconds. Use the accompanying able to establish control is for sample means and comes for the car wash process Click the icon to view the table of factors for calculating tree-sigma limits for the x-chart and Richart The UCL, equals 15:39 seconds and the LCR quis 0.61 seconds. (Enter your seaponses rounded to do decine piaces) The UCL, aquale seconds and the LC quals seconds(Enter your expenses rounded to be o decimal places) Factors for calculating three-sigma limits for the x-chart and R-chart Factor for LCL for R-Chart (D3) Factor for UCL for R-Chart (DA) Size of Sample Factor for UCL and LCL (n) for X-chart (A2) 2 1.880 3 1.023 4 0.729 5 0.577 6 0.483 7 0.419 8 0.373 9 0.337 10 0.308 0 0 0 0 0 0.076 0.136 0.184 0.223 3.267 2.575 2.282 2.115 2.004 1.924 1.864 1.816 1.777