Page 26 - Six Sigma Advanced Tools for Black Belts and Master Black Belts

OTE/SPH
OTE/SPH
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August 31, 2006
JWBK119-01
2:52
Six Sigma Projects 11
Test Cycle Time Baseline, t Ave

Goal, t Goal
Entitlement, t Best

1 2 3 4 5 6
Tester
Figure 1.6 Test cycle times for different testers.

Response = Test Time
Xbar Chart by Tester 2 Tester*PCBA Interaction Tester
1
Sample Mean Average 1 2

PCBA 1 2 3 4 5 678 9 10 11 12 13 14 15 16 17 18 19 20

R Chart by Tester 2 By Tester
1
Sample Range

Tester 1 2

Components of Variation By PCBA

Percent

Gage R&R Repeat Reprod Part-to-Part PCBA 1 2 3 4 5 67 8 9 10 11 12 13 14 15 16 17 18 19 20
% Total Var % Study Var

Figure 1.7 Sixpack analysis of test time.