*** $6.10 A process that is considered to be in control measures an ingredient in ounces. Below are the last 10 samples (each of size n = 5) taken. The population standard deviation is 1.36. 10 10 10 Samples 12 3 4 5 56 . 78 10 913 10 12 10 13 9 9 :9 10 10 10 11 10 10 11: 9 8 10 8 911 10 10 11 12 8 10 12 10:9 10 10998 O 0.00 9 8 8 12 12 9 10 11 12 9 8 12 a) What is the process standard deviation o? What is o? b) If z = 3, what are the control limits for the mean chart? c) What are the control limits for the range chart? d) Is the process in control? Pin