Question: Control Chart Table Sample Size Factor for X-Chart Factors for R.Chart A2 03 D4 z-value Confidence level % 2 N 3 4 5 95 96

Control Chart Table Sample Size Factor for X-Chart Factors for R.Chart A2 03 D4 z-value Confidence level % 2 N 3 4 5 95 96 97 1.65 1.96 2.05 2.17 233 2.58 6 7 8 1.88 1.02 0.73 0.58 0.48 0.42 0.37 0.34 0.31 0.29 0.27 0.25 0.24 0.22 0.00 0.00 0.00 0.00 0.00 0.08 014 0.18 0.22 0.26 0.28 0.31 0.33 0.35 3.27 2.57 228 211 2.00 1.92 1.86 182 1.78 1.74 1.72 1.69 167 1.65 9 10 11 12 13 14 15 Given there are five (05) sample taken. The sample mean (X-bar) are; 8.51, 8.18, 11.07, 10.03, and 10.23 respectively. Also, Range values for these 5 samples are; 3.33, 261, 3.39, 4.39, and 6.49. If the lower control limit for X-bar chart is 6.65, what should be the most appropriate the sample size? Select one: O a. 4 b.3 O c. 2 O d. None is correct e. 5

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