For the data from Speciatronics, Ltd. (Prob04-09 in Ch04Data.xlsx on the Student Companion Site), the upper specification

Question:

For the data from Speciatronics, Ltd. (Prob04-09 in Ch04Data.xlsx on the Student Companion Site), the upper specification limit was USL = 5.25, and the lower specification limit was LSL = 1.75. Compute the process capability and discuss its meaning in managerial terms.














Process Capability Analysis




























This spreadsheet is designed to handle up to 150 observations. Enter data ONLY in yellow-shaded cells.

















Nominal specification3.50
Average3.5279
Cp1.49


Upper tolerance limit5.75
Standard deviation0.5042
Cpl1.51


Lower tolerance limit1.25






Cpu1.47














Cpk1.47



















DATA123456789101112131415
13.423.154.274.753.773.723.974.213.742.923.643.424.293.424.18
22.764.043.763.383.913.883.183.044.083.682.764.282.333.304.24
33.443.503.264.164.523.583.062.673.223.293.214.002.803.253.15
42.793.923.292.943.413.153.203.373.913.233.983.553.284.093.70
53.933.293.532.804.573.613.003.413.153.20





63.314.543.163.973.473.403.743.293.214.00





73.772.973.752.774.014.413.364.243.314.54





83.463.682.962.843.523.162.853.533.822.80





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