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EvaluationHard· Statistical Significance· Benchmarking· Evaluation

Your research lead wants to publish a claim that your f...

A 2-point difference on a 1,000-question set may fall within the noise floor, which for this size is often around 3.9 points for unpaired tests. However, since the systems are likely being compared on the same set of questions, a paired test is the appropriate statistical tool. Run a paired test like McNemar’s to settle the dispute; if the result remains ambiguous, the eval set size must be increased to reach the required confidence level.

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