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    P Chart for Detroit Central Hospital

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    Detroit Central Hospital is trying to improve its image by providing a positive experience for its patients and their relatives. Part of the program involves providing tasty, inviting patient meals that are also healthy. A questionnaire accompanies each meal served, asking the patient, among other things, whether he or she is satisfied or unsatisfied with the meal. A 100-patient sample of the survey results over the past seven days yielded the following data:

    Day No. of Unsatisfied Patients Sample Size
    1 24 100
    2 22 100
    3 8 100
    4 15 100
    5 10 100
    6 26 100
    7 17 100

    Construct a p chart that plots the percentage of patients unsatisfied with their meals. Set the control limits to include 99.73 percent of the random variation in meal satisfaction. Comment on your results.

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    Solution Summary

    A Pchart of survey results data.