Sigma Academy
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30/10/2025
Which one is correct sequence of six sigma professional level?
a) white belt, yellow belt, blue belt
b) yellow belt, blue belt, green belt
c) yellow belt, black belt, green belt
d) yellow belt, green belt, black belt
22/10/2025
Today Question: When was Six Sigma first introduced?
a) 1980
b) 1986
c) 1990
d) 1995
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