Segment Overrepresentation Significance Check

Scenario

You are reviewing customer data and want to know whether one segment appears in your sample more or less often than expected from a known benchmark population. You need a statistical way to tell whether the gap is likely real or just sampling noise.

Question

How would you check whether a customer segment is over- or under-represented in your data?

Problem

Scenario

Question

How would you check whether a customer segment is over- or under-represented in your data?

Example Data

Sample size·1,200 customersSignificance level·5%Observed segment count·348Observed segment share·29%Benchmark segment share·25%

Problem

Scenario

Question

How would you check whether a customer segment is over- or under-represented in your data?

Example Data

Sample size·1,200 customersSignificance level·5%Observed segment count·348Observed segment share·29%Benchmark segment share·25%

Problem

Scenario

Question

How would you check whether a customer segment is over- or under-represented in your data?

Example Data

Sample size·1,200 customersSignificance level·5%Observed segment count·348Observed segment share·29%Benchmark segment share·25%

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Segment Overrepresentation Significance Check

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Scenario

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Example Data