Explain 'A/B Testing'.

Explain 'A/B Testing'.

Approach: Describe a randomized experiment with two variants.

A randomized experiment with two variants, A and B, which are the control and the treatment. It is used to compare two versions of a single variable, typically by testing a subject's response to variant A against variant B.

Follow-up: What is statistical significance?

Key concepts: control group, treatment group, p-value.