Acceptance Sampling & OC Curve

Is 'Checking 10%' safe? Use the Operating Characteristic (OC) Curve to reveal the hidden risks. Even c=0 does not mean Zero Defects.

Sampling Plan

Configure N, n, c

Batch Size (N)

Sample Size (n)50

Acceptance Number (c)0

Reject lot if > c defects found.

AQL (Good)

RQL (Bad)

Operating Characteristic (OC) Curve

Shows the discriminatory power of this plan

Producer's Risk (α): 39.3%

Chance of Rejecting Good Lot (AQL)

Consumer's Risk (β): 8.2%

Chance of Accepting Bad Lot (RQL)