2710 001 FINAL B SPRING 10 SOLUTIONS

# Use the following data for questions 24 through 28 it

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Use the following data for questions #24 through #28. It has become a very sustainable business to monitor by testing the ingredient content of herbal/vitamin/mineral remedies. Suppose the content sought for a K vitamin is 20 milligrams. Ten samples are taken of size 10 Sample Mean Range 1 22.8 0.9 2 21.2 0.2 3 20.0 0.6 4 19.3 1.1 5 20.0 0.5 6 23.3 0.2 7 19.9 0.9 8 19.4 0.5 9 20.7 0.3 10 19.8 1.0 Totals 206.4 6.2 24. The center line for the X-Bar chart is: A. 3.23 B. 2.06 C. 20.64*

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D. 19.22 25. The center line for the R Chart is: A. 0.62* A. 0.77 B. 6.20 C. 1.10 26. The upper control limit for the R Chart is: 27. The upper control limit for the X-bar Chart is: 28. Considering only the X Bar Chart for the data above; how many samples are out of control for these data? Problems# 29 through # 31use the following information : Consider a hospital that uses control charts for monitoring patient sedation. After administering sedation, nurses record their impressions of the patients at 10- to 15-minute intervals. Patients who were asleep or awake and pain free were considered acceptable and fulfilled the objective of conscious sedation. Other patient conditions were deemed unacceptable. Twenty-five entries each day over a 15-day period are given below The total of the Unacceptable =
117 29. The centerline for the appropriate control chart is: A. 4.684 B. 0.312* C. 0.241 D. 2.569 30. The Upper Control Limit is:

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