Squeglia Zero-Based Acceptance Sampling Plan Calculator

This calculator is based on Zero Acceptance Number Sampling Plans, 5th Edition by Nicholas L. Squeglia.

Accept-on-Zero (AOZ) plans are popular, but they are quite controversial. Read more.

Enter your process parameters:
Batch/lot size (N)		The number of items in the batch (lot).
AQL		The Acceptable Quality Level. If no AQL is contractually specified, an AQL of 1.0% is suggested

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If you want a quality, act as if you already had it.

—

William James

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