Sig Sigma Abbreviations
Posted on October 18th, 2008
|
Symbol/Acronym |
Meaning |
|---|---|
|
ANOVA |
Analysis of variance |
|
COPQ |
Cost of poor quality |
|
DFSS |
Design for six sigma |
|
DOE |
Design of experiments |
|
Dpm (DPM) |
Defects per million |
|
FMEA |
Failure mode and effect analysis |
|
LCL |
Lower control limit |
|
LSL |
Lower specification limit |
|
PSM |
Program safety management |
|
ROI |
Return on investment |
|
RPN |
Risk priority number |
|
SOP |
Standard operating procedure |
|
SPC |
Statistical process control |
|
UCL |
Upper control limit |
|
USL |
Upper specification limit |
|
MPIW |
Mistake proofing improvement worksheet |
|
e |
Base of natural logarithm (2,718) |
|
μ |
Population mean |
|
∑ |
Summation |
|
σ |
Population standard deviation |
|
σ2 |
Population variance |
|
n |
Sample size |
|
N |
Population size |
|
p |
Probability or sample proportion |
|
r2 |
Sample coefficient of determination |
|
s |
Sample standard deviation |
|
s2 |
Sample variance |
|
X2 |
Sample mean |
