You want to show how two numeric variables relate across many samples. What fits?
Why B is the answer
A scatter plot
Each point shows one sample on both variables.
In detail
- A scatter plot shows each sample on both variables.
- Scatter plots show relationships.
Use case
An illustrative scenario, not a real incident.
An analyst plots prompt length against latency, and each point is one request.
See it in different ways
flowchart TD
A{"What are you showing?"} -->|"Change over time"| B["Line chart"]
A -->|"Compare categories"| C["Bar chart"]
A -->|"Relationship of two variables"| D["Scatter plot"]mindmap
root((Data analysis))
Metrics
Loss
R-squared
Charts
Line: over time
Scatter: two variables
Care
Same data
Confounding factorsflowchart TD
Q{"What do you want to show?"}
Q -->|"Two variables"| A0["Scatter plot"]
Q -->|"Change over time"| A1["Line chart"]Key point: Scatter plots relate two variables.
Why the other options are wrong
- A. A table of column names
- Column names show no data.
- C. A pie chart of the two totals
- Totals hide the relationship.
- D. A single large number
- One number hides it.