What comments can you make about the results of the survey

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Reference no: EM13221032

You are the newly appointed assistant administrator at a local hospital, and your first project is to investigate the quality of the patient meals put out by the food-service department. You conducted a 10-day survey by submitting a simple questionnaire to the 400 patients with each meal, asking that they simply check off that the meal was either satisfactory or unsatisfactory. For simplicity in this problem, assume that the response was 1,000 returned questionnaires from the 1,200 meals each day. The results are as follows:

Number of
Unsatisfactory Meals Sample Size

December 1 74 1,000
December 2 42 1,000
December 3 64 1,000
December 4 80 1,000
December 5 40 1,000
December 6 50 1,000
December 7 65 1,000
December 8 70 1,000
December 9 40 1,000
December 10 75 1,000
600 10,000

a. Construct a p-chart based on the questionnaire results, using a confi dence interval of 95.5 percent, which is two standard deviations.

b. What comments can you make about the results of the survey?

Reference no: EM13221032

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