2710 001 FINAL A SPRING 10 SOLUTIONS

# If the meancenterline of c chart is 608 the upper

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21. If the mean/centerline of C chart is 6.08; the Upper Control Limit is: A. 0.00 B. 8.55 C. 14.07 D. 13.48* 22. Find the mean of the following discrete probability distribution X 2 4 5 7 10 P(X ) 0.15 0.20 0.30 0.25 0.10

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23. Only one of the following statements is false . Which one? 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 R Chart is: A. 1.10 A. 0.77 B. 6.20 C. 0.62*
25. The center line for the X-Bar chart is: 26. The upper control limit for the X-bar Chart is: A. 3.59 B. 20.83* C. 21.88 D. 19.22 27. The upper control limit for the R Chart is: 28. Considering only the X Bar Chart for the data above; how many samples are out of control for these data?

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