Question 1 (10 points) The following data represents sample data of 6 oz. bottles of after-shave. Develop the X-bar and R control charts (mean chart and range chart) for the following sample. A process that is considered to be in control measures an ingredient in ounces. Below are the samples taken from the process. Sum X-bar R Sample 1 2 6 1 .00 6.00 5.90 5.88 6.10 2 5.90 6.00 6.00 6.00 6.00 3 6.00 6.30 6.06 6.03 5.96 4 5 5.906.00 6.04 6.02 5.90 6.00 5.90 6.05 6.00 6.10 6 5.90 6.00 5.90 5.92 6.02 IA Average= a) What are the control limits for the mean chart? (4 points) b) What are the control limits for the range chart? (4 points) c) Is the process in control? Show your explanation. (2 points)