Question: The time needed for checking in at a motel is to be investigated. Hstorically, the process has had a standard deviation equal to 0.171. The

The time needed for checking in at a motel is to be investigated. Hstorically, the process has had a standard deviation equal to 0.171. The means of 39 samples of n=25 are Clickhere tor the Excel Dote File a-1. Construct an x-chart for this process with three-sigma limits. (Do not round intermediate calculations. Round your answers to 2 decimal pleces.) 0-2. Is the process in control? Yes No b. Analyze the data using a median run test and an up/down run test. What can you conclude

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