Question: Question 2 (CLO 3, PLO 3) (05 Marks) Specifications on a cigar lighter detent are 0.3220 and 0.3200 in. Samples of size 5 are taken

Question 2 (CLO 3, PLO 3) (05 Marks) Specifications on a cigar lighter detent are 0.3220 and 0.3200 in. Samples of size 5 are taken every 45 min with the results shown in Table provided below (measured as deviations from 0.3210 in 0.0001 in.). Illustrate the following (a) Set up an R chart and examine the process for statistical control. (b) What parameters would you recommend for an R chart for on-line control? (c) Estimate the standard deviation of the process. (d) What is the process capability? (e) Assuming that now the sample size has been changed from n=5 to n=3. Recalculate the control limits again. Sample Number X X2 X3 X's 9 4 9 1 0 2 -1 6 3 2 1 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 1 9 0 1 -3 - 7 -3 0 2 0 -3 -16 -6 6 3 0 0 -1 0 - 1 -3 -1 -1 -1 0 0 5 -1 9 0 3 2 0 0 0 -3 -2 -3 2 -2 -2 -1 2 2 -1 -8 -1 0 2 -2 2 -3 -5 -1 N -4 0 0 - 3 5 -1 -1

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