ICYB · Question #10
One of the primary objectives of constructing an X-Y Diagram is to separate the vital few X's from the trivial many X's.
The correct answer is A. True. Option A is correct because the X-Y Diagram (also called a Cause-and-Effect Matrix) is fundamentally a prioritization tool in Six Sigma and quality management. It scores and ranks input variables (X's) based on their correlation to key output variables (Y's), which directly…
Question
One of the primary objectives of constructing an X-Y Diagram is to separate the vital few X's from the trivial many X's.
Options
- ATrue
- BFalse
How the community answered
(43 responses)- A81% (35)
- B19% (8)
Explanation
Option A is correct because the X-Y Diagram (also called a Cause-and-Effect Matrix) is fundamentally a prioritization tool in Six Sigma and quality management. It scores and ranks input variables (X's) based on their correlation to key output variables (Y's), which directly surfaces the high-impact X's from the low-impact ones - the classic Pareto "vital few vs. trivial many" distinction.
Option B is incorrect because it contradicts the core purpose of the tool. Separating critical inputs from non-critical ones is the point; without this prioritization function, the X-Y Diagram would offer no analytical value over a simple brainstorm list.
Memory tip: Think of the X-Y Diagram as a "scorecard for causes." Just like a Pareto chart ranks defects by frequency, the X-Y Diagram ranks X's by their weighted impact on Y - both tools exist to help you focus on the vital few, not waste effort on the trivial many.
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