本文件提供了选择适当统计技术的指南，这些技术对组织（无论规模大小或复杂程度）在按照ISO 9001:2015开发、实施、维护和改进质量管理体系时都是有用的。

This document gives guidelines for the selection of appropriate statistical techniques that can be useful to an organization, irrespective of size or complexity, in developing, implementing, maintaining and improving a quality management system in conformity with ISO 9001:2015.