Question: QUESTION 29 Quantitative Question (Write legibly; Credit will be given only if appropriate work is done.) Four samples of five observations each have been taken

QUESTION 29 Quantitative Question (Write legibly;

QUESTION 29 Quantitative Question (Write legibly; Credit will be given only if appropriate work is done.) Four samples of five observations each have been taken for a production process, with actual measurements (in centimeters) shown below. Construct a three-sigma mean control chart (a mean chart only). There is no need to draw charts. Just calculate upper and lower control limits. Is the process in control if only a mean chart is used? Observation 1 Observation 2 Observation 3 Observation 4 Observation 5 Sample 1 14 13 13 12 12 Sample 2 Sample 3 Sample 4 13 12 14 12 13 13 14 14 12 14 12 11 12 14 13

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