The 80:20 rule is associated with which of these tools?

Question

Options

• APareto Chart
• BSimon's Cross-Functional Tool
• CSIPOC
• DFraming Tool

• A
  75% (48)
• B
  14% (9)
• C
  8% (5)
• D
  3% (2)

Explanation

The Pareto Chart directly embodies the 80:20 rule (also called the Pareto Principle), which states that roughly 80% of problems come from 20% of causes - the chart visually ranks causes by frequency/impact to identify that vital few. Simon's Cross-Functional Tool doesn't exist as a standard quality or process tool, making it a nonsense distractor. SIPOC (Suppliers, Inputs, Process, Outputs, Customers) is a high-level process mapping tool used in Six Sigma to define scope - it has no connection to the 80:20 principle. The Framing Tool is a general problem-structuring technique, not a statistical or prioritization tool tied to any numerical rule.

Memory tip: Think Pareto = Percentage - both start with "P," and the 80/20 split is all about percentages of cause vs. effect. The chart's bar-plus-cumulative-line format makes it easy to spot when you've hit 80% of your impact.

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