Regression vs Correlation | Dataford Interview Questions

What is the difference between regression and correlation?

Use the provided data to return the comparison for the two statistical concepts. Keep the answer focused on how they differ in purpose, directionality, and interpretation.

Output

One row per concept, ignoring any rows where concept_name is NULL
Columns: concept_name, relationship_type, directionality, primary_use
Sort by concept_name alphabetically

Schema

statistical_concepts

Column	Type	Description
concept_idPK	INT	Unique identifier for the concept row
concept_name	VARCHAR(50)	Name of the statistical concept
relationship_type	VARCHAR(50)	Whether the concept describes association or prediction
directionality	VARCHAR(50)	Whether the concept is directional or symmetric
primary_use	VARCHAR(100)	Main analytical purpose of the concept

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