本文件是客户或供应商组织内部审核小组根据IPC-9191要求评估统计过程控制（SPC）系统的工具。本文件适用于任何规模和任何商品的客户和供应商。该工具可用于在组织和流程层面对SPC的使用进行评估。本评估表中的问题基于IPC-9191中给出的SPC实施指南，该指南反过来又反映了国际标准化组织（ISO）统计方法技术委员会文件ISO 11462-1所代表的SPC原则。本文件适用于受过培训的评估人员，他们应该对统计学及其在制造业中的应用有基本的了解。 它旨在根据每个组织的独特情况和可用资源进行扩展。本文件中包含获取Word模板格式的本文件表格部分（第4节至第6节）的说明，用于电子记录审计过程中获得的信息。

This document is a tool for a customer or supplier organization's internal audit group to assess a statistical process control (SPC) system against the requirements of IPC-9191. This document is useful for customers and suppliers of any size and for any commodity. This tool can be used to perform an assessment of the use of SPC at both organizational and process levels. The questions in this evaluation form are based on the guidelines for SPC implementation given in IPC-9191, which, in turn, was developed to reflect the principals of SPC represented by the International Organization for Standardization (ISO) Statistical Methods Technical Committee's document: ISO 11462-1.This document is for trained evaluators, who should have a fundamental understanding of statistics and their application in manufacturing. It is intended to be scaled to each organization's unique situation and resources available. Contained within the document are instructions for obtaining the tabular portions of this document (sections 4 through 6) in Word Template format for electronically recording information gained during the audit process.