Question: Problem 3 (12 pts) The time elapsed to install motorcycle gas tanks is measured. Six samples, each consisting of 18 observations have been gathered and

Problem 3 (12 pts) The time elapsed to install motorcycle gas tanks is measured. Six samples, each consisting of 18 observations have been gathered and analyzed. The results are in the table below. The standard deviation for the overall process is unknown. Mean Sample 1 Range 0.28 5.06 2 5.14 0.43 3 4.96 0.29 4 5.08 0.35 5 4.93 0.39 6 4.99 0.53 a. Determine the upper and lower control limits for the mean and range charts. Range Chart UCL LCL Mean Chart UCL

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