ASQ CSSGB study guide
ASQ CSSGB, administered by American Society for Quality (ASQ), is mapped here as 6 topic areas; the heaviest are II. Define Phase (20%), III. Measure Phase (20%) and IV. Analyze Phase (18%).
About this course: Study DMAIC, process capability, hypothesis tests and control charts with worked calculations and original practice.
ASQ CSSGB at a glance
- Questions
- 100
- Time allowed
- CBT: 4 hours 18 minutes exam time (4.5-hour appointment)
- Passing standard
- A score of 550 points out of a possible 750 (VERBATIM: 'You need a score of 550 points out of a possible 750 to be certified')
- Format
- Computer-delivered: one-part, 110-question exam, English only
- Standard / edition
- 2022 SSGB Body of Knowledge (current; linked from the live cert page 2026-07-10)
- Administered by
- American Society for Quality (ASQ)
Source: 2022 SSGB Body of Knowledge (current; linked from the live cert page 2026-07-10), American Society for Quality (ASQ). Confirm current details with the exam owner before you book.
Topic areas and weights
| Topic area | Weight | Concepts | Guide |
|---|---|---|---|
| I. Overview: Six Sigma and the Organization | 11% | 0 | Section below |
| II. Define Phase | 20% | 0 | Section below |
| III. Measure Phase | 20% | 0 | Section below |
| IV. Analyze Phase | 18% | 0 | Section below |
| V. Improve Phase | 16% | 0 | Section below |
| VI. Control Phase | 15% | 0 | Section below |
Study plan in this course
- Six Sigma & the Organization — 3 cards · free
- Lean Foundations & Takt — 4 cards · free
- DFSS Road Maps & FMEA — 3 cards · free
- Define: Projects, SIPOC & the Voice of the Customer — 7 cards · full course
- Charters, Planning Tools & Teams — 7 cards · full course
- Process Math: DPMO, RTY & Sigma Level — 3 cards · full course
- Probability, Distributions & Data — 8 cards · full course
- Gage R&R & Process Capability — 7 cards · full course
- Analyze: Multi-Vari, Regression & Root Cause — 6 cards · full course
- Hypothesis Testing & Test Selection — 8 cards · full course
- DOE & Implementation Planning — 6 cards · full course
- Lean Improvement: 5S, Poka-Yoke & SMED — 5 cards · full course
- SPC & the Control-Chart Picker — 6 cards · full course
- Sustain: Control Plans, Audits & the Visual Factory — 6 cards · full course
I. Overview: Six Sigma and the Organization
I. Overview: Six Sigma and the Organization carries 11% of the ASQ CSSGB blueprint used in this course, the 6th-largest of its 6 weighted areas. The course teaches it in 3 study units: Six Sigma & the Organization, Lean Foundations & Takt and DFSS Road Maps & FMEA.
How I. Overview: Six Sigma and the Organization connects to other areas
- FMEA scales & RPN = S x O x D links to Project risk & closure/lessons learned — II. Define Phase
- Lean concepts: TOC, flow, JIT, Gemba links to Pull systems & kanban signals — V. Improve Phase
Official references for I. Overview: Six Sigma and the Organization
- 2022 SSGB BoK I.A.1
- 2022 SSGB BoK I.A.2
- 2022 SSGB BoK I.A.3
- 2022 SSGB BoK I.B.1
- 2022 SSGB BoK I.B.2
- 2022 SSGB BoK I.C.1
- 2022 SSGB BoK I.C.2
- 2022 SSGB BoK I.C.3
In the app this area comes with 10 memory cards and 10 module-quiz questions and is part of the free starting modules.
II. Define Phase
II. Define Phase carries 20% of the ASQ CSSGB blueprint used in this course, the largest of its 6 weighted areas. The course teaches it in 3 study units: Define: Projects, SIPOC & the Voice of the Customer, Charters, Planning Tools & Teams and Process Math: DPMO, RTY & Sigma Level.
How II. Define Phase connects to other areas
- DPU & DPMO: divide by units x opportunities links to The 1.5-sigma shift & the sigma<->DPMO table — III. Measure Phase
- Project risk & closure/lessons learned links to FMEA scales & RPN = S x O x D — I. Overview: Six Sigma and the Organization
Official references for II. Define Phase
- 2022 SSGB BoK II.A.1
- 2022 SSGB BoK II.A.2
- 2022 SSGB BoK II.A.3
- 2022 SSGB BoK II.A.4
- 2022 SSGB BoK II.A.5 + II.B.1
- 2022 SSGB BoK II.B.2
- 2022 SSGB BoK II.B.3
- 2022 SSGB BoK II.C.1 + II.C.2
- 2022 SSGB BoK II.C.3 + II.C.4
- 2022 SSGB BoK II.C.5
- 2022 SSGB BoK II.C.7 + II.C.8
- 2022 SSGB BoK II.D
In the app this area comes with 17 memory cards and 17 module-quiz questions in the full course.
III. Measure Phase
III. Measure Phase carries 20% of the ASQ CSSGB blueprint used in this course, the second-largest of its 6 weighted areas. The course teaches it in 2 study units: Probability, Distributions & Data and Gage R&R & Process Capability.
How III. Measure Phase connects to other areas
- Central limit theorem & sigma/sqrt links to Control limits: +/-3 sigma from process data — VI. Control Phase
- Central limit theorem & sigma/sqrt links to p < alpha -> reject H0 — IV. Analyze Phase
- The 1.5-sigma shift & the sigma<->DPMO table links to DPU & DPMO: divide by units x opportunities — II. Define Phase
- Continuous vs discrete; NOIR measurement scales links to Variables charts: X-bar/R, X-bar/s, ImR, median — VI. Control Phase
- Continuous vs discrete; NOIR measurement scales links to 1-sample vs 2-sample vs paired t — IV. Analyze Phase
- Six distributions & defectives-vs-defects mapping links to Attributes picker: p / np / c / u — VI. Control Phase
- Natural process limits vs specification limits links to Common vs special cause; tampering adds variation — VI. Control Phase
- Natural process limits vs specification limits links to Control limits: +/-3 sigma from process data — VI. Control Phase
Official references for III. Measure Phase
- 2022 SSGB BoK III.A
- 2022 SSGB BoK III.B.1
- 2022 SSGB BoK III.B.2
- 2022 SSGB BoK III.C
- 2022 SSGB BoK III.D.1
- 2022 SSGB BoK III.D.2
- 2022 SSGB BoK III.D.3
- 2022 SSGB BoK III.D.4
- 2022 SSGB BoK III.E
- 2022 SSGB BoK III.F.1
- 2022 SSGB BoK III.F.2
- 2022 SSGB BoK III.F.3
In the app this area comes with 15 memory cards and 15 module-quiz questions in the full course.
IV. Analyze Phase
IV. Analyze Phase carries 18% of the ASQ CSSGB blueprint used in this course, the third-largest of its 6 weighted areas. The course teaches it in 2 study units: Analyze: Multi-Vari, Regression & Root Cause and Hypothesis Testing & Test Selection.
How IV. Analyze Phase connects to other areas
- p < alpha -> reject H0 links to Central limit theorem & sigma/sqrt — III. Measure Phase
- 1-sample vs 2-sample vs paired t links to Continuous vs discrete; NOIR measurement scales — III. Measure Phase
Official references for IV. Analyze Phase
- 2022 SSGB BoK IV.A.1
- 2022 SSGB BoK IV.A.2
- 2022 SSGB BoK IV.B.1
- 2022 SSGB BoK IV.B.1-2
- 2022 SSGB BoK IV.B.2
- 2022 SSGB BoK IV.C.1
- 2022 SSGB BoK IV.C.2
In the app this area comes with 14 memory cards and 14 module-quiz questions in the full course.
V. Improve Phase
V. Improve Phase carries 16% of the ASQ CSSGB blueprint used in this course, the 4th-largest of its 6 weighted areas. The course teaches it in 2 study units: DOE & Implementation Planning and Lean Improvement: 5S, Poka-Yoke & SMED.
How V. Improve Phase connects to other areas
- Pull systems & kanban signals links to Lean concepts: TOC, flow, JIT, Gemba — I. Overview: Six Sigma and the Organization
Official references for V. Improve Phase
- 2022 SSGB BoK V.A.1
- 2022 SSGB BoK V.A.2
- 2022 SSGB BoK V.B
- 2022 SSGB BoK V.C.1
- 2022 SSGB BoK V.C.1 + I.B.2
- 2022 SSGB BoK V.C.2
- 2022 SSGB BoK V.C.3
- 2022 SSGB BoK V.B + II.D + II.C.4
In the app this area comes with 11 memory cards and 11 module-quiz questions in the full course.
VI. Control Phase
VI. Control Phase carries 15% of the ASQ CSSGB blueprint used in this course, the 5th-largest of its 6 weighted areas. The course teaches it in 2 study units: SPC & the Control-Chart Picker and Sustain: Control Plans, Audits & the Visual Factory.
How VI. Control Phase connects to other areas
- Control limits: +/-3 sigma from process data links to Central limit theorem & sigma/sqrt — III. Measure Phase
- Variables charts: X-bar/R, X-bar/s, ImR, median links to Continuous vs discrete; NOIR measurement scales — III. Measure Phase
- Attributes picker: p / np / c / u links to Six distributions & defectives-vs-defects mapping — III. Measure Phase
- Common vs special cause; tampering adds variation links to Natural process limits vs specification limits — III. Measure Phase
- Control limits: +/-3 sigma from process data links to Natural process limits vs specification limits — III. Measure Phase
Official references for VI. Control Phase
- 2022 SSGB BoK VI.A.1
- 2022 SSGB BoK VI.A.3
- 2022 SSGB BoK VI.A.2
- 2022 SSGB BoK VI.B.1
- 2022 SSGB BoK VI.B.2 + VI.B.3
- 2022 SSGB BoK VI.B.4
- 2022 SSGB BoK VI.B.5
- 2022 SSGB BoK VI.C.1
- 2022 SSGB BoK VI.C.2
In the app this area comes with 12 memory cards and 12 module-quiz questions in the full course.
Details that change — checked against official sources
- ASQ CSSGB fees: $483 exam / ASQ members save $100 on initial ($383) / retakes $283; $130 appointment-change fee; $130 processing fee on ineligible applications. Verified asq.org 2026-07-10. — asq.org/cert/six-sigma-green-belt
Official references
- 2022 SSGB BoK I.A.1
- 2022 SSGB BoK I.A.2
- 2022 SSGB BoK I.A.3
- 2022 SSGB BoK I.B.1
- 2022 SSGB BoK I.B.2
- 2022 SSGB BoK I.C.1
- 2022 SSGB BoK I.C.2
- 2022 SSGB BoK I.C.3
- 2022 SSGB BoK II.A.1
- 2022 SSGB BoK II.A.2
- 2022 SSGB BoK II.A.3
- 2022 SSGB BoK II.A.4
- 2022 SSGB BoK II.A.5 + II.B.1
- 2022 SSGB BoK II.B.2
- 2022 SSGB BoK II.B.3
- 2022 SSGB BoK II.C.1 + II.C.2