Rebuild a weak correlation chart into a display that actually tests the relationship.
The current slide overlays traffic-quality score and conversion rate on dual axes. The leadership team is interpreting visual overlap as evidence that quality improvements caused the conversion increase. Use paired observations and a relationship chart when the business claim is about association, not just simultaneous movement over time. People often keep the dual-axis overlay because it is already built and because it feels intuitive. The trap is that intuitive visual overlap can overstate evidence when scales are flexible. Step 1 Write the actual claim: “Higher traffic quality is associated with higher conversion.” This matters because the claim is about relationship…
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