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Quality Management System for Active pharmaceutical

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<strong>Quality</strong> <strong>Management</strong> <strong>System</strong> - integrating GMP into ISOChapter 20: Statistical techniquesPrincipleAppropriate statistical techniques should be identified, documented and implemented to controlquality critical processes.20.1 Identification of need20.1.1 The main activities <strong>for</strong> the application of statistical techniques are likely to besampling plans, stability testing, validation, interpretation of analytical data,identifying process capability and trend analysis. A statistical perspective is essentialwhen planning a complex investigation if maximum benefit is to be derived.20.1.2 API manufacturers should identify and document the need <strong>for</strong>, and application of,appropriate statistical techniques.20.2 Procedures20.2.1 Documented procedures and adequate training should be used to control theapplication of statistical techniques.20.2.2 Whenever possible recognised published statistical techniques should be selected <strong>for</strong>use. If alternatives are applied, their use should be justified through traceability tobasic statistical theory.51

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