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PK0-003 · Question #222

Which of the following can aid in the identification of trends?

The correct answer is D. Run charts. Run charts are graphical representations that display observed data in a time sequence, making them ideal for identifying trends, shifts, or patterns over time.

Tools and documentation

Question

Which of the following can aid in the identification of trends?

Options

  • APareto charts
  • BIshikawa diagrams
  • CHistograms
  • DRun charts

How the community answered

(44 responses)
  • A
    2% (1)
  • B
    7% (3)
  • C
    2% (1)
  • D
    89% (39)

Why each option

Run charts are graphical representations that display observed data in a time sequence, making them ideal for identifying trends, shifts, or patterns over time.

APareto charts

Pareto charts rank causes or problems by frequency to identify the most significant ones, not trends over time.

BIshikawa diagrams

Ishikawa diagrams are used for brainstorming and categorizing potential root causes of a problem, not for identifying trends in data.

CHistograms

Histograms show the distribution of a single variable, illustrating its spread and central tendency, but do not inherently show data changes over time or trends.

DRun chartsCorrect

Run charts plot data points in the order they occur over time, allowing for visual identification of upward or downward trends, cycles, or shifts in a process. This time-series visualization helps in understanding process stability and performance changes.

Concept tested: Identifying trends with run charts

Source: https://asq.org/quality-resources/run-chart

Topics

#Run charts#trend analysis#quality control tools

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