LPSCE study guide
LPSCE · Work through your exam, one topic at a time.
The Lean Six Sigma Professional Certification (LPSCE) is a vendor-neutral credential for practitioners who combine Lean waste elimination with Six Sigma statistical problem solving. It suits process improvement specialists, quality engineers, operations and manufacturing supervisors, service and transactional process owners, and project leads who run DMAIC projects and want their skills validated against a broad body of knowledge rather than a single methodology. The LPSCE study guide has 8 sections and about 2,592 words.
01Lean Principles and Waste Elimination
This domain tests whether you can define value from the customer's perspective, separate value-adding from non-value-adding work, and select the right Lean countermeasure. Expect items on the eight wastes, takt time, value stream mapping, flow, pull, 5S, and kaizen.
364 words, about 2 min02Six Sigma Fundamentals and DMAIC
This domain covers the Six Sigma logic: variation causes defects, projects should be selected on business impact, and DMAIC is a gated problem-solving method. Expect sigma level, DPMO, cost of poor quality, project roles, and the purpose of each phase.
327 words, about 2 min03Define Phase: Project Chartering and Voice of the Customer
Define tests whether you can turn a vague complaint into a chartered, scoped project. Expect problem and goal statements, business case, scope, VOC, CTQ trees, SIPOC, and stakeholder analysis.
295 words, about 1 min04Measure Phase: Data Collection, MSA, and Process Capability
Measure covers data collection, measurement system analysis, and baseline capability. Expect operational definitions, sampling, Gage R&R interpretation, control versus capability, and Cp/Cpk versus Pp/Ppk.
293 words, about 1 min05Analyze Phase: Root Cause Analysis and Hypothesis Testing
Analyze tests whether you can move from symptoms to verified causes. Expect root-cause tools, FMEA, hypothesis-test selection, p-values, confidence intervals, and the difference between statistical and practical significance.
337 words, about 2 min06Improve Phase: Solution Design, Lean Tools, and Pilot Testing
Improve tests solution design and Lean countermeasures: generating and prioritizing solutions, piloting, mistake-proofing, setup reduction, pull systems, standard work, and DOE basics. Link every solution to a verified root cause; otherwise you are adding work without removing the defect.
324 words, about 2 min07Control Phase: SPC, Standard Work, and Sustainment
Control tests whether you can hold the gains: SPC chart selection, control limit calculation, out-of-control rules, standard work, control plans, and response plans. Match the chart to the data: Xbar-R for subgrouped continuous data with small subgroups (n = 2-9), Xbar-S for larger subgroups, I-MR for individual measurements, p or np for defectives, and c or u for defects.
312 words, about 2 min08Project Management, Team Leadership, and Change Management
This domain tests project execution and the people side of improvement: work breakdown, schedules, critical path, roles, team development, stakeholder engagement, and change management. A WBS decomposes deliverables into work packages; the critical path is the longest dependent path and has zero float.
340 words, about 2 min