Thirty patients who check out of the Rock Creek County Regional Hospital each week are asked to complete a questionnaire about hospital service. Since patients do not feel well when they are in the hospital, they typically are very critical of the service. The number of patients who indicated dissatisfaction of any kind with the service for each 30-patient sample for a 16-week period is as follows:

Construct a control chart to monitor customer satisfaction at the hospital using 3σ limits and determine if the process is incontrol.

Transcribed Image Text:

Number of Dissatisfied Patients Number of Dissatisfied iems Sample Sample 10 12