Page 134 - Six Sigma Advanced Tools for Black Belts and Master Black Belts

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August 31, 2006
JWBK119-09
2:57
Simulation Study 119
lognormal (0.0, 0.5)
4

3

C pu 2

1 C pu = 1.0

Assumed Distribution Clements’ Johnson
normal free tolerance method transform
Probability Weighted Box-Cox Wright’s
plot variance transform index

Figure 9.3 Box plots of ˆ C pu for all methods (100 observations each) for lognormal (μ = 0,
2
σ = 0.5) with target C pu = 1.0.

lognormal (0.0, 0.5)
12
11
10
9
8
7
C pu 6
5
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 9.4 Box plots of ˆ C pu for all methods (100 observations each) for lognormal (μ = 0,
2
σ = 0.5) with target C pu = 1.5.