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Confusables Entry 539 / 1605 60-second read

Parameter vs. Perimeter

A limit (math/stat) versus a boundary (geometry).

The comparisoni

✗ Wrong

“The perimeters of the study were clear.”

✓ Correct

“The parameters of the study were clear.”

The ruleii

PARAMETER = limit / variable. PERIMETER = boundary.

PARAMETER is a defining characteristic or limit. PERIMETER is the outside boundary.

Memory aidiii

Remember it like this

Perimeter = edge."

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