Six Sigma Green Belt prep, free.
A Six Sigma Green Belt exam checks that you can run a process-improvement project with data. ASQ sets one widely used exam.
What is Six Sigma Green Belt?
A Six Sigma Green Belt exam checks that you can run a process-improvement project with data. ASQ sets one widely used exam.
Who takes it?
People who improve processes at work.
What costs money?
The study plan here costs nothing. The test itself has a fee, set by ASQ. The official site lists it.
How do I show my score?
Upload the score screen with ID numbers hidden. Someone who saw the real result confirms it.
What Six Sigma Green Belt is
- Set by
- ASQ
- Who takes it
- People who improve processes at work.
- Sections
- Define, Measure, Analyse, Improve, Control
- Dates and fees
- On the owner's site: official dates, official fees.
The free plan
The study plan, the official practice, the best free help, your proofs and your Trophy Case are free. Work through the outcomes in order.
Before you upload a score screen or a score report, hide your registration, roll, application and ID numbers. Powstik never asks for an ID number. Someone who saw the real result confirms it: a teacher, counsellor, tutor or study partner. They are told to send back any proof that shows an ID number.
1. Complete Six Sigma Green Belt
Pass a Six Sigma Green Belt examination and complete a DMAIC project with measurable process improvement documented.
- Define a Real Process Improvement Problem Using DMAIC
Show: Submit: (a) the project charter (minimum 800 words) with all five components: problem statement with baseline data, measurable and time-bound goal, scope boundaries, SIPOC diagram, and voice-of-customer summary, and (b) confirmation from your project sponsor (manager or relevant stakeholder) that the problem and scope are real and approved — name and role required.
- Measure and Analyse the Process Using Statistical Tools
Show: Submit: (a) baseline data (minimum 30 data points for continuous or 100+ for attribute data), (b) process capability calculation (Cp/Cpk or DPMO with sigma level and interpretation), (c) measurement system analysis (gauge R&R or attribute agreement results), and (d) root cause analysis using both a fishbone and a quantitative tool — with a clear statement of the verified root cause(s).
- Implement the Improvement, Build a Control Plan, and Document Results
Show: Submit: (a) a description of the improvement solution implemented (minimum 400 words) explaining how it directly addresses the verified root cause(s), (b) post-improvement data (minimum 20 data points) with before-and-after capability comparison, (c) a control plan specifying who monitors what, at what frequency, and with what response threshold, and (d) sponsor sign-off confirming the results and that the control plan is in place — signed and dated.
- Define a Real Process Improvement Problem Using DMAIC
Go deeper
The test checks the field. Powstik Varsity teaches it, with free full courses in order.
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