Question: Click here for the Excel Data File a-1. Construct an x-chart for this process with three-sigma limits. (Do not round intermediate calculations. Round your answers

for this 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

Click here for the Excel Data 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 places.) a-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? Chapter10-12.xISX File Edit Insert Format Help a-1. Construct an x~-chart for this process with three-sigma limits, (Do not round intermediate calculations. Round your answers to 2 decimal places.) a-2. ts 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? The time needed for checking in at a motel is to be investigated. Historically, the process has had a standard deviation equal to 0.145 The means of 39 samples of n=21 are a-1, Construct an x-chart for this 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 dota using a median run test and an up/down run test. What can you conclude

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