Scatter Plots & CorrelationATI TEAS 7 cheat sheet

Relationships between variables

6 key facts Reviewed Oct 2026

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Reading It

Each point is one observation of two variables
A rising cloud is a positive relationship; falling is negative

Strength

Tightly clustered points = strong; scattered = weak
No pattern = no correlation

Line Of Best Fit

A straight line summarizing the trend; used to predict

The Warning

Correlation does not prove causation — a third factor may explain both

Key takeaway

Relationships between variables

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