Question
a) Calculate potential and actual capabilities and interpret these ratios. Which process is better? b) If we shift the mean of Process B to the
a) Calculate potential and actual capabilities and interpret these ratios. Which process is better?
b) If we shift the mean of Process B to the center, what is the fraction nonconforming for each process and revised actual capability of Process B. Which process should be selected? Why? (Assume that standard deviations stay the same)
| GIVEN DATA | ||
| USL= | 10 | |
| LSL= | -10 | |
| Process A | Process B | |
| Sample Average (xbar) | 0 | 8 |
| Sample Standard Dev. (s) | 4,2 | 1,5 |
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Discrete Mathematics and Its Applications
Authors: Kenneth H. Rosen
7th edition
0073383090, 978-0073383095
