Ch. 10: Quality Control_ Control Limits for Means (5 pts) -Audio Products At Audio Products, the time required to resolve a customer warranty claim is being reviewed. Historically, the process has had a standard deviation equal to .146. The mean of 39 samples of n=14 is shown in the table below. Sample Mean 1 3.96 2 3.98 3 3.86 4 3.81 5 3.90 6 3.88 7 3.86 3.89 9 3.82 10 3.84 11 3.86 12 3.90 13 3.83 14 3.81 15 3.84 16 3.83 17 3.87 18 3.88 19 3.84 20 3.80 21 3.85 22 3.79 23 3.84 24 3.80 25 3.86 26 3.77 27 3.83 28 3.76 29 3.88 30 3.88 31 3.86 32 3.88 33 3.81 34 3.83 35 3.86 36 3.82 37 3.86 38 3.84 39 3.87 150. 15 Calculate control limits with three-sigma limits. Is the process in control? If the process is in control, why? If the process is not in control, why? Be specific. Ch 10_Quality Control_ Control Limits for Means