Question: The number of dietary errors is found from a random sample of 100 trays chosen on a daily basis in a health care facility. The

The number of dietary errors is found from a random sample of 100 trays chosen on a daily basis in a health care facility. The data for 25 such samples are shown in Table 8-22.
(a) Construct an appropriate control chart and comment on the process.
(b) How many dietary errors do you predict if no changes are made in the process?
(c) Is the system capable of reducing dietary errors to 2, on average, per 100 trays, if no changes are made in the process?
TABLE 8-22

Number of Dietary Errors Number of Dietary Errors Sample Number Sample Number 15 16 17 18 19 20 21 12 16 10 24 25 12 13 10

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