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CBAP · Question #203

Which of the following is a quality control chart to track trends in project execution?

The correct answer is A. Control chart. A control chart is the standard quality control tool for monitoring process performance over time and detecting trends or shifts relative to defined control limits.

Solution Evaluation

Question

Which of the following is a quality control chart to track trends in project execution?

Options

  • AControl chart
  • BRACI chart
  • CPERT chart
  • DPareto chart

How the community answered

(30 responses)
  • A
    77% (23)
  • B
    7% (2)
  • C
    3% (1)
  • D
    13% (4)

Why each option

A control chart is the standard quality control tool for monitoring process performance over time and detecting trends or shifts relative to defined control limits.

AControl chartCorrect

A control chart plots data points sequentially over time against a calculated mean and upper and lower control limits, making it purpose-built for tracking trends and identifying when a process drifts out of statistical control. In project quality management, it is used during project execution to distinguish normal variation from assignable causes that require corrective action. The PMBOK Guide explicitly identifies the control chart as a tool for the Control Quality process.

BRACI chart

A RACI chart is a responsibility assignment matrix that maps team members to project tasks - it is an organizational tool, not a quality or statistical tracking chart.

CPERT chart

A PERT chart (Program Evaluation and Review Technique) is a network diagram used for schedule planning and estimating task durations - it has no role in quality trend monitoring.

DPareto chart

A Pareto chart ranks defect types or quality issues by frequency to prioritize corrective actions using the 80/20 principle - it is a snapshot diagnostic tool, not a trend-tracking chart over time.

Concept tested: Control chart for quality trend tracking

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

Topics

#control chart#quality management#trend tracking#project monitoring

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