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QUESTION
Dr. Frankal is concerned about the long wait times in his Vet office. The following table presents six
Dr. Frankal is concerned about the long wait times in his Vet office.
The following table presents six
random observations for the patient waiting times over a period of 10 days.
- Construct R-chart and -chart.
- Is the process in statistical control? Explain.
- If patient surveys indicate that they are willing to wait between 10 and 30 minutes before seeing Dr. Patel, is the process capable of meeting this demand at the three-sigma level?
