Practice Test Geeks(SPC) Statistical Process Control Certification Practice Test
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Fundamentals Flashcards

6 cards from real SPC 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. What is the main purpose of Statistical Process Control (SPC)?

    Answer: Monitor and control process variation

    SPC is used to monitor and control a process to ensure it operates at its full potential to produce conforming product.

  2. What does a control chart indicate in SPC?

    Answer: Process stability and variation

    Control charts show whether a process is in statistical control by detecting variation beyond normal limits.

  3. What is the term for variation caused by unpredictable events in a process?

    Answer: Special cause variation

    Special cause variation refers to unexpected changes due to external or assignable causes.

  4. Which chart type is used for attribute data in SPC?

    Answer: P-chart

    P-charts are used to monitor the proportion of defective items in a sample and are suitable for attribute data.

  5. What does it mean if all points fall within control limits on a control chart?

    Answer: Process is stable and in control

    If all points are within limits and show no pattern, the process is considered to be in control.

  6. Which SPC tool visually displays the frequency of data values?

    Answer: Histogram

    A histogram is a graphical representation of data distribution used to visualize variation.