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(CQE) Fundamentals Flashcards

7 cards from real CQE practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.

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  1. Which type of control chart is MOST appropriate for monitoring the proportion of defective items in subgroups of varying size?

    Answer: p-chart

    The p-chart monitors the proportion (fraction) defective and accommodates varying subgroup sizes, unlike the np-chart which requires constant size.

  2. In Failure Mode and Effects Analysis (FMEA), the Risk Priority Number (RPN) is calculated as:

    Answer: Severity × Occurrence × Detection

    RPN = Severity × Occurrence × Detection, and is used to prioritize which failure modes require corrective action.

  3. A Type I error in hypothesis testing means:

    Answer: Rejecting the null hypothesis when it is actually true (false positive)

    A Type I error (alpha error) occurs when the null hypothesis is rejected even though it is true — a false positive conclusion.

  4. Which quality tool is MOST appropriate for analyzing whether a relationship exists between two continuous variables?

    Answer: Scatter diagram

    A scatter diagram plots pairs of data to visually assess the correlation (relationship) between two continuous variables.

  5. The primary difference between Quality Assurance (QA) and Quality Control (QC) is that:

    Answer: QA is process-focused and preventive; QC is product-focused and detection-based

    QA focuses on processes and preventing defects from occurring, while QC focuses on inspecting products to detect defects.

  6. Under ISO 9001:2015, which element is explicitly required to be documented as retained evidence of conformity?

    Answer: Records of monitoring and measurement results

    ISO 9001:2015 requires retaining documented information (records) as evidence that monitoring and measurement results conform to requirements.

  7. A gage R&R study reveals that measurement system variation accounts for 35% of total observed variation. This result indicates:

    Answer: The measurement system may need improvement before making process decisions

    AIAG guidelines classify a gage R&R above 30% as unacceptable, requiring corrective action before the gage is used for process decisions.