Drag the description to the corresponding quality control technique. No item may be used more than once. Drag and drop application. ISO 9000 series ISO 9000 series drop zone empty. Six Sigma Six Sigma drop zone empty. Statistical process control Statistical process control drop zone empty. A statistical technique that uses periodic random samples from production runs to see if quality is being maintained A rigorous statistical analysis process that reduces defects in manufacturing and service-related processes A set of quality-assurance procedures that companies must install that can be audited by independent experts Need help? Review these concept resources