ISO 9001:2015 statistical requirements of Clause 9

According to clause 9.3 Analysis and evaluation, organizations should consider how frequently it will analyze and evaluate data that will help determine areas for improvement. The organization should use methods and control data quality (to ensure that it is representative, unbiased, and accurate, for example) in order to promote fact-based management decisions. ISO 9001:2015 does not prescribe specific statistical techniques. Each organization should evaluate those that can be useful.

Please, consider this free webinar on-demand - Measurement, analysis, and improvement according to ISO 9001:2015 -
https://advisera.com/9001academy/webinar/measurement-analysis-and-improvement-according-to-iso-9001-2015-free-webinar/ where you find examples of statistical techniques used to help in making decisions

The following material will provide you more information about measurement:

• How to implement the Check phase (performance evaluation) in the QMS according to ISO 9001:2015 - https://advisera.com/9001academy/blog/2015/11/17/how-to-implement-the-check-phase-performance-evaluation-in-the-qms-according-to-iso-90012015/
• Analysis of measuring and monitoring requirements in ISO 9001:2015 - https://advisera.com/9001academy/knowledgebase/analysis-of-measuring-and-monitoring-requirements-in-iso-90012015/
• Free online training ISO 9001:2015 Foundations Course – https://advisera.com/training/iso-9001-foundations-course/
• Book - Discover ISO 9001:2015 Through Practical Examples - https://advisera.com/books/discover-iso-9001-2015-through-practical-examples/"