25. A manufacturer of cast pipe has a product with a nominal outside diameter of 120 mm, and a tolerance of + 8 mm. For the x & s chart on the next page (you do not need to plot the data), do the...

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Extracted text: 25. A manufacturer of cast pipe has a product with a nominal outside diameter of 120 mm, and a tolerance of + 8 mm. For the x & s chart on the next page (you do not need to plot the data), do the following: A) Calculate the chart control limits and centerlines. (Mean calculations should be accurate to at least 1 decimal place; std dev calculations should be accurate to at least 3 decimal places.) B) Perform a capability analysis. C) Comment on the process capability. Initial Recalc10 +LCL, + UCL, +LCL, +UCL, /6 +C, +% defective /6


Extracted text: x and s Chart Part Number/Name PROD1252 Question 25 Control Chart Spec. Limits 112 to 128 122.0 117.2 116.8 120.7 114.3 120.1 119.9 120.7 119.6 121.5 122.2 127.0 118.9 124.8 124.3 121.5 117.2 114.8 126.6 121.3 124.5 123.1 119.2 119.2 127.2 122.0 124.4 122.2 122.3 121.8 122.7 115.6 117.2 123.9 118.7 125.0 119.9 119.9 121.3 117.1 121.3 117.5 120.7 117.3 123.1 124.4 116.8 116.4 122.2 123.1 116.6 120.2 115.1 122.5 120.2 121.9 123.4 116.9 123.5 122.3 113.8 119.2 119.3 118.5 124.5 123.9 117.8 119.2 123.3 122.2 120.8 119.5 122.1 122.6 124.8 113.9 124.1 117.3 121.0 119.5 114.9 127.9 118.9 119.9 114.6 118.5 125.2 118.7 119.0 122.4 125.3 116.6 115.2 115.7 119.0 125.5 120.3 120.8 116.8 122.8 120.3 120.2 122.0 123.0 121.5 122.7 116.7 116.3 123.4 119.4 121.6 120.8 118.7 120.7 121.5 121.9 123.1 119.7 122.0 122.9 4.456 2.692 1.388 3.368 3.101 4.010 3.057 1.785 2.036 3.786 1.244 3.198 1.933 2.460 1.158 Sample # 2 3 4 5 6 7 8 9 10 11 12 13 14 15 125 123 121 119 117 115 6 S 2 1 Sample Measurements