FAILURE MAP
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Missing measurements bias a mean · case 02

Absent measurements change the mean even though no observation was recorded.

Member previewVariant 2 · 3 implementations · 3 checks per implementation

Case scope

Absent measurements change the mean even though no observation was recorded.

Why this case matters

A compact reasoning and repair task with executable evidence.

One recorded failure

Sample boundary fixture

This sample comes from the broken implementation of a controlled reproducer.

Boundary fixtureActualExpectedOutcome
missing and zero1.33333333333333332Failed

MEMBER ARCHIVE

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This record includes three runnable implementations, regression fixtures, execution results, and source hashes.

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