A project manager creates a Pareto chart based on the table below: Which of the following describes why the team was asked to inspect and review missing parts, poor adhesives, and faulty installation?

Question

Exhibits

Options

• ATo take preventive action and identify the causes resulting in the highest number of issues
• BTo take corrective action and identify the effects resulting in the highest number of issues
• CTo take preventive action and identify and frequencies resulting in the highest number of issues
• DTo take corrective action and identify the causes resulting in the highest number of issues

• A
  24% (5)
• B
  14% (3)
• C
  5% (1)
• D
  57% (12)

Explanation

A Pareto chart is a quality control tool that identifies the most significant causes of defects, following the 80/20 rule (roughly 80% of problems come from 20% of causes). When defects like missing parts, poor adhesives, and faulty installation have already occurred, the action taken is corrective (fixing existing problems), not preventive (stopping future ones). The Pareto chart identifies causes-not effects-ranked by frequency. Therefore the team is taking corrective action by analyzing causes that resulted in the highest number of issues. Option A is wrong because the issues already occurred, making this corrective, not preventive. Options B and C incorrectly reference 'effects' and 'frequencies' respectively instead of 'causes.'

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