A process that is considered to be in control measures an ingredient in grams. Below are the last 10 samples (each of size n=5) taken. The population standard deviation is 1.36. 1 7 8 9 10 13 10 9 10 9 12 2 9 9 11 11 10 3 13 9 10 10 9 4 10 10 11 10 10 Samples 6 10 10 8 11 12 10 9 52091 0 10 8 10 8 10 10 10 12 9 9 8 12 8 8 12 12 9 100 Click the icon to view the table of control chart constants A2, D4, D3. a) What is the process standard deviation o? What is o-? - X The process standard deviation is grams (round your response to two decimal places). More info Standard deviation of the sampling means = grams (round your response to three decimal places). ). b) With z=3, the control limits for the mean chart are: Z UCL = grams (round your response to three decimal places). LCL | grams (round your response to three decimal places). Sample Size, n 2 3 4 5 6 7 8 9 9 10 12 Mean Factor, A2 1.880 1.023 0.729 0.577 0.483 0.419 0.373 0.337 0.308 0.266 Upper Range, D 3.268 2.574 2.282 2.115 2.004 1.924 1.864 1.816 1.777 1.716 Lower Range, D3 0 0 0 0 0 0.076 0.136 0.184 0.223 0.284 c) The control limits for the R-chart are: UCLR = grams (round your response to three decimal places). LCLR-grams (round your response to three decimal places). = d) Based on the x-chart, the process is Based on the R-chart, the process is Based on both the x-chart and the R-chart, the process is Print Done OUT OF CONTROL IN CONTROL