Question: The time needed for checking in at a motel is to be investigated. Historically. the process has had a standard deviation equal to 0153 .

The time needed for checking in at a motel is to be investigated. Historically. the process has had a standard deviation equal to 0153 . Click here for the Excel Data File a.1. Construct an x-chart for usis process with three-sigma limits (Do not round intermediate calculations. Round your answers to 2 decimal places.) a-2. Is the process in control? Yes No b. Analyze the data using a median run test and an upidown run test. What can you conclude

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