Page 136 - Six Sigma Advanced Tools for Black Belts and Master Black Belts

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August 31, 2006
JWBK119-09
2:57
Simulation Study 121
lognormal (0.0, 0.3)
8
7

6
5

C pu 4
3

2
C pu = 1.5
1

Assumed Distribution Clements’ Johnson
normal free tolerance method transform
Probability Weighted Box-Cox Wright’s
plot variance transform index
Figure 9.7 Box plots of ˆ C pu for all methods (100 observations each) for lognormal (μ = 0,
2
σ = 0.3) with target C pu = 1.5.

lognormal (0.0, 0.3)
10
9
8
7
6
C pu 5
4
3
2
C pu = 1.667
1

Assumed Distribution Clements’ Johnson
normal free tolerance method transform
Probability Weighted Box-Cox Wright’s
plot variance transform index
Figure 9.8 Box plots of ˆ C pu for all methods (100 observations each) for lognormal (μ = 0,
2
σ = 0.3) with target C pu = 1.667.