The family of a patient at the Metropolitan Hospital complained when the patient fell in the hospital and broke her hip. The family has threatened a lawsuit, and there has been some negative publicity about the hospital in the local media suggesting that patient falls might be common. The hospital administration decides to investigate this potential problem by developing a control chart based on two years of monthly data for the number of patient falls each month, as follows:

Develop a control chart with 3σ limits to monitor patient falls, and discuss if you think there appears to be a quality problem at the hospital.

Transcribed Image Text:

Month Falls 3 4 3.5 6. 2 9. 4 10 2.5 11 1.5 12 13 14 15 16 3 17 6. 18 3 19 5 20 21 22 2.5 23 2.5 24 1.5