Question: (b) The data set in Table Q2(b) below represents 10 samples of size five packets each from potato chips company. The sample size is n=5.

(b) The data set in Table Q2(b) below represents

(b) The data set in Table Q2(b) below represents 10 samples of size five packets each from potato chips company. The sample size is n=5. All answers must be in two decimal points. (i) (ii) Table Q2(b): Samples of the oxide thickness Sample Sample 1 Sample 2 Sample 3 Sample 4 Sample 5 1 12.5 12.3 12.6 12.7 12.4 12.8 12.4 12.4 12.8 12.5 12.1 12.5 12.4 12.3 12.2 12.5 12.3 12.4 12.4 12.5 12.5 12.6 12.3 12.6 12.6 12.5 12.6 12.5 12.8 12.6 12.4 12.6 12.5 12.4 12.6 12.3 12.6 12.6 12.1 12.5 12.8 12.6 2 3 4 5 6 7 8 9 10 12.6 12.6 12.5 12.4 12.7 12.3 12.5 12.7 Determine limits (Control Limit, Upper Control Limit, & Lower Control Limit) for X-bar and R charts from the data in Table Q2(b). Draw X-bar chart and R chart. [C4, SP3] [6 marks]

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