Quality Control

Definition of Quality Control:

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Also called statistical quality control. The managerial process during which actual process performance is evaluated and actions are taken on unusual performance. It is a process to ensure whether a product meets predefined standards and requisite action taken if the standards are not met.

Quality control measures both products and processes for conformance to quality requirements (including both the specific requirements prescribed by the product specification, and the more general requirements prescribed by quality assurance); identifies acceptable limits for significant quality attributes; identifies whether products and processes fall within those limits (conform to requirements) or fall outside them (exhibit defects); and reports accordingly. Correction of product failures generally lies outside the ambit of quality control; correction of process failures may or may not be included.

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