CSSYB case studies
CSSYB · Put your knowledge to work in context.
The ASQ Certified Six Sigma Yellow Belt (CSSYB) is an entry-level credential for people who support improvement work rather than lead it. ASQ states the certification has no experience or education requirements, and that it is aimed at candidates who have a small role, interest, or need to develop foundational knowledge - team members, support functions, and anyone new to Six Sigma vocabulary. The CSSYB case studies are 5 cases and about 3,664 words.
1A 3PL Weighs the CEO's Six Sigma Shopping List
A 240-person third-party logistics firm ships about 4,000 orders a month. On-time delivery has slipped to 91% against a 97% customer requirement, and the CFO estimates each late order costs 85 in expedites and credits.
697 words, about 3 min2An ERP-Shaped Charter at a Molding Plant
At a 60-person injection-molding plant, the operations director has chartered a project: "Implement the new ERP scheduling module to improve on-time delivery and reduce defects to 99% quality; scope: the entire order-to-cash process across all three plants; complete by Q4." The team has eight members, two of them consultants from the ERP vendor. Customer scorecards show on-time delivery averaged 88% over the last six months against a 98% requirement, and one large customer has issued a chargeback notice.
688 words, about 3 min3Capability Slide Built on a Shaky Gage
On a metal-stamping line the critical characteristic is flange width, specified 25.0 ± 0.4 mm. A capability study is due.
723 words, about 4 min4Humidity, Resin Lots and a p-Value of 0.06
Defect rates on a molding line roughly doubled between March and August. Pulling six months of production data, a team found r = 0.72 between plant ambient humidity and the daily defect rate.
771 words, about 4 min5A Pilot That Looks Too Good to Book
A team piloted a fixture change and revised work instructions on one assembly cell. Defects fell from 3.4% to 0.9% over three weeks.
785 words, about 4 min