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100+ Free EXIN LSSA Six Sigma Green Belt Practice Questions

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Key Facts: EXIN LSSA Six Sigma Green Belt Exam

This 100-question practice set equips candidates for the EXIN LSSA Green Belt exam by providing comprehensive coverage of DMAIC phases, practical statistical calculations, control charting, and root cause analysis with detailed step-by-step explanations.

Sample EXIN LSSA Six Sigma Green Belt Practice Questions

Try these sample questions to test your EXIN LSSA Six Sigma Green Belt exam readiness. Each question includes a detailed explanation. Start the interactive quiz above for the full 100+ question experience with AI tutoring.

1Which section of a Six Sigma Project Charter specifies the quantifiable target performance level, the baseline performance, and the target completion date without stating a solution?
A.Goal Statement
B.Problem Statement
C.Business Case
D.Project Scope
Explanation: The Goal Statement explicitly defines the target improvement level, baseline performance, metric, and target timeframe. It must be specific, measurable, achievable, relevant, and time-bound (SMART) without presuming a solution.
2A team is developing a SIPOC diagram for a purchase order process. Where in the SIPOC framework should 'Approved Purchase Requisition' be categorized?
A.Input
B.Supplier
C.Process
D.Output
Explanation: An 'Approved Purchase Requisition' is a prerequisite material or information required by the process to produce the final purchase order. Therefore, it is categorized as an Input.
3What is the primary purpose of translating Voice of Customer (VOC) feedback into Critical to Quality (CTQ) trees?
A.To convert broad customer feedback into specific, measurable internal process specifications
B.To calculate the overall Sigma level of the customer service organization
C.To perform root cause analysis on customer complaints using statistical significance
D.To rank potential solutions using a weighted decision matrix
Explanation: A CTQ Tree decomposes qualitative customer requirements (VOC) into specific key drivers and quantifiable operational requirements (CTQs) that can be measured during the Measure phase.
4According to the Kano Model, how is a product feature categorized if its presence merely prevents customer dissatisfaction, but its absence causes extreme dissatisfaction?
A.Must-Be (Basic) requirement
B.One-Dimensional (Performance) requirement
C.Attractive (Delighter) requirement
D.Indifferent requirement
Explanation: Must-Be (Basic or Threshold) requirements are expected features. Customers take them for granted when present, but are extremely dissatisfied when they are missing.
5A production line operates 8 hours per shift with 30 minutes of scheduled downtime. If customer demand is 450 units per shift, what is the Takt Time?
A.60 seconds per unit
B.64 seconds per unit
C.53.3 seconds per unit
D.60 minutes per unit
Explanation: Available Operating Time = 8 hours - 0.5 hours = 7.5 hours = 450 minutes = 27,000 seconds. Takt Time = Available Operating Time / Customer Demand = 27,000 seconds / 450 units = 60 seconds per unit.
6In Lean terminology, what type of waste (Muda) is created when work-in-process (WIP) accumulates between processing workstations due to unbalanced line flow?
A.Inventory
B.Overprocessing
C.Motion
D.Defects
Explanation: Accumulated work-in-process (WIP) between operations represents Inventory waste, as capital and materials are tied up waiting for downstream processing.
7Which metric measures the total elapsed time from when an order is placed by a customer until the completed product or service is delivered?
A.Lead Time
B.Cycle Time
C.Process Time
D.Takt Time
Explanation: Lead Time spans the entire elapsed clock time from customer order receipt to final delivery, including processing, queueing, and transit time.
8What is the primary role of a Champion in a Six Sigma project implementation structure?
A.To provide executive sponsorship, remove organizational roadblocks, and allocate project resources
B.To lead the day-to-day data collection and statistical modeling
C.To mentor Green Belts on advanced design of experiments (DOE)
D.To execute process changes on the shop floor during Kaizen events
Explanation: Champions are senior executive leaders who align projects with business strategy, approve project charters, clear organizational barriers, and secure resources.
9Which activity is classified as Value-Add (VA) when analyzing a process workflow?
A.Applying heat treatment to alter metal hardness according to customer engineering drawings
B.Inspecting incoming raw material batches for dimension accuracy
C.Storing finished goods in a climate-controlled warehouse prior to shipment
D.Reworking out-of-spec dimensions on a machined valve body
Explanation: A Value-Add step meets three criteria: 1) The customer is willing to pay for it, 2) It physically transforms the product/service, and 3) It is done right the first time.
10A team calculates Little's Law for a healthcare intake process. If Work-in-Process (WIP) is 120 patients and the Throughput rate is 15 patients per hour, what is the average Process Lead Time?
A.8 hours
B.0.125 hours
C.1,800 hours
D.10.5 hours
Explanation: Little's Law states: Lead Time = Work-in-Process (WIP) / Throughput Rate. Lead Time = 120 patients / 15 patients per hour = 8 hours.

About the EXIN LSSA Six Sigma Green Belt Exam

The EXIN LSSA Lean Six Sigma Green Belt certification validates an individual's capability to lead process improvement projects and apply Lean Six Sigma DMAIC methodologies. It tests theoretical understanding and practical problem-solving across process mapping, Gage R&R, process capability metrics (Cp, Cpk, DPMO), hypothesis testing, FMEA RPN analysis, Poka-Yoke, and Statistical Process Control (SPC).

Assessment

60 multiple-choice questions in 3 hours

Time Limit

3 hours

Passing Score

63%

Exam Fee

Not published by EXIN; set by accredited training organizations and varies by country and voucher route (EXIN)

EXIN LSSA Six Sigma Green Belt Exam Content Outline

15%

Define Phase

Lean Six Sigma fundamentals, Project Charters, SIPOC, Voice of Customer (VOC), CTQ trees, and Project Scope.

25%

Measure Phase

Measurement System Analysis (Gage R&R), Process Capability (Cp/Cpk/Pp/Ppk), Baseline Data Collection, DPMO, Z-Score, and Yield.

25%

Analyze Phase

Root cause analysis, Hypothesis Testing (t-tests, ANOVA, Chi-square), Correlation coefficient (r), and Linear Regression.

20%

Improve Phase

Solution selection, Pugh Decision Matrix, FMEA and Risk Priority Number (RPN) calculations, Poka-Yoke error proofing, and pilot trials.

15%

Control Phase

Statistical Process Control (SPC), Control Charts (X-bar/R, X-bar/S, p, c), Runs rules, Control Plans, and SOP sustainability.

How to Pass the EXIN LSSA Six Sigma Green Belt Exam

What You Need to Know

  • Passing score: 63%
  • Assessment: 60 multiple-choice questions in 3 hours
  • Time limit: 3 hours
  • Exam fee: Not published by EXIN; set by accredited training organizations and varies by country and voucher route

Keys to Passing

  • Complete 500+ practice questions
  • Score 80%+ consistently before scheduling
  • Focus on highest-weighted sections
  • Use our AI tutor for tough concepts

EXIN LSSA Six Sigma Green Belt Study Tips from Top Performers

1Master formulas for Cp, Cpk, DPMO, DPU, Rolled Throughput Yield (RTY), Z-score, and sample size estimation.
2Memorize selection criteria for hypothesis tests: 1-sample t vs 2-sample t, Paired t, ANOVA (continuous output, categorical input), and Chi-Square (categorical data).
3Understand the difference between short-term potential capability (Cp, Cpk) and long-term overall performance (Pp, Ppk).
4Learn control chart selection rules: X-bar & R chart for small subgroup sizes (n=2 to 9 continuous data), X-bar & S for larger subgroups (n>=10), p-chart for fraction defective (variable sample size), and c-chart for defect counts (constant sample size).
5Practice calculating Risk Priority Numbers (RPN = Severity x Occurrence x Detection) in FMEA risk assessments.

Frequently Asked Questions

What is the format and duration of the EXIN LSSA Six Sigma Green Belt exam?

The exam consists of 60 multiple-choice questions to be completed within 180 minutes (3 hours). The passing score is 63% (38 correct answers).

Are numeric calculations included on the EXIN LSSA Green Belt exam?

Yes. Candidates are expected to compute process capability indices (Cp, Cpk), DPMO, Rolled First Pass Yield, Z-scores, Gage R&R percentages, FMEA RPN scores, and SPC control limits.

Is the EXIN LSSA Green Belt exam open-book or closed-book?

EXIN lists it as an open-book examination with electronic aids permitted, administered online with proctoring or at accredited EXIN testing centers.

Does the EXIN LSSA Green Belt certification expire?

No. The certification has lifetime validity without mandatory recertification fees or maintenance points.