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    Free Practice Questions for ASQ Certified Six Sigma Yellow Belt Certification

    Guide checked for updates:
    10 Sep 2026
    Question bank created:
    9 Sep 2026
    Question bank last updated:
    10 Sep 2026

    Study with 342 exam-style practice questions designed to help you prepare for the ASQ Certified Six Sigma Yellow Belt.

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    Exam Details

    Key information about ASQ Certified Six Sigma Yellow Belt

    Official study guide

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    Question formats CertSafari offers
    • Multiple choice
    • True/False
    number of questions:

    80

    Exam Topics & Skills Assessed

    Skills measured (from the official study guide)

    Domain 1: Six Sigma Fundamentals

    Subdomain 1.1: Six sigma foundations and principles

    Subdomain 1.2: Lean foundations and principles

    Subdomain 1.3: Six sigma roles and responsibilities

    Subdomain 1.4: Team basics

    Subdomain 1.5: Quality tools and six sigma metrics

    Domain 2: Define Phase

    Subdomain 2.1: Project identification

    Subdomain 2.2: Project management (PM) basics

    Domain 3: Measure Phase

    Subdomain 3.1: Basic statistics

    Subdomain 3.2: Data collection

    Subdomain 3.3: Measurement system analysis (MSA)

    Domain 4: Analyze Phase

    Subdomain 4.1: Process analysis tools

    Subdomain 4.2: Root cause analysis

    Subdomain 4.3: Corrective action

    Subdomain 4.4: Preventive action

    Subdomain 4.5: Data analysis

    Subdomain 4.6: Correlation and regression

    Subdomain 4.7: Hypothesis testing

    Domain 5: Improve and Control Phases

    Subdomain 5.1: Improvement techniques

    Subdomain 5.2: Control tools and documentation

    Techniques & products

    Six Sigma
    Lean
    DMAIC
    just-in-time
    poka-yoke
    kanban
    value-stream mapping
    yellow belt
    green belt
    black belt
    master black belt
    process owner
    champion
    sponsor
    continuous improvement teams
    self-managed teams
    cross-functional teams
    brainstorming
    multivoting
    nominal group technique (NGT)
    Pareto charts
    cause and effect diagrams
    flowcharts
    run charts
    check sheets
    scatter diagram
    histograms
    defects per unit (DPU)
    defects per million opportunities (DPMO)
    rolled throughput yield (RTY)
    cycle time
    cost of poor quality (COPQ)
    voice of the customer
    critical-to-quality (CTQ)
    SIPOC
    supply chain management
    project charter
    work breakdown structure (WBS)
    Gantt charts
    activity network diagrams
    affinity diagrams
    matrix charts
    relations charts
    tree diagrams
    phase reviews
    tollgate reviews
    mean
    median
    mode
    standard deviation
    range
    variance
    data collection plans
    operational definition
    qualitative data
    quantitative data
    surveys
    interviews
    checklists
    measurement system analysis (MSA)
    precision
    accuracy
    bias
    linearity
    stability
    gauge repeatability & reproducibility (GR&R)
    5S
    value analysis
    failure mode and effect analysis (FMEA)
    risk priority number
    5 Whys
    process mapping
    8D
    force-field analysis
    corrective action
    preventive action
    error-proofing
    mistake-proofing
    normal distributions
    binomial distributions
    common cause variation
    special cause variation
    correlation
    regression analysis
    hypothesis testing
    null hypothesis
    alternative hypothesis
    type I error
    type II error
    p-value
    power
    Kaizen
    Kaizen blitz
    Plan-do-check-act (PDCA) cycle
    cost-benefit analysis
    control plan
    control charts
    RX − charts
    document control
    work instructions
    standard operating procedures (SOPs)

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