Ad Spend vs Conversions — Scatter Plot Example
A scatter plot tests whether two numeric variables move together. Each point is one campaign; the trend line is fitted by least squares.
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Reading the chart
What this example shows
- The relationship is clearly positive but the slope flattens at high spend — visible evidence of diminishing returns.
- Campaign K sits above the trend line and H sits below it: those are the two worth investigating, not the average.
- A trend line describes correlation only. Spend and conversions both rise with campaign size, so this is not proof of causation.
The data
Paste-ready dataset
Campaign,Spend (USD),Conversions A,1200,41 B,1850,58 C,2400,71 D,880,29 E,3100,96 F,1560,44 G,2750,79 H,640,18 I,3600,102 J,2050,55 K,1420,48 L,4100,108
Twelve illustrative campaigns with a realistic saturation curve. Replace with your own before publishing.
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