The Cattleman's Bar and Grille would like to use statistical process control to monitor the time that elapses between a customer's arrival and when the food is served.The manager has determined that the average time between customer arrival and service is 19.5 minutes with a standard deviation of 2.5 minutes.Each evening,the manager plans on selecting 4 tables at random and will measure the elapsed time.What would the 3-sigma control limits be for the X-bar chart?

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The Answer of The Cattleman's Bar and Grille would like to use statistical process control to monitor the time that elapses between a customer's arrival and when the food is served.The manager has determined that the average time between customer arrival and service is 19.5 minutes with a standard deviation of 2.5 minutes.Each evening,the manager plans on selecting 4 tables at random and will measure the elapsed time.What would the 3-sigma control limits be for the X-bar chart?

The Cattleman's Bar and Grille Would Like to Use Statistical