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Overview

SAS/QC software, a component of the SAS System, provides a comprehensive set of tools for statistical quality improvement. You can use these tools to

• organize quality improvement efforts
• design industrial experiments for product and process improvement
• apply Taguchi methods for quality engineering
• establish statistical control of a process
• maintain statistical control and reduce variation
• analyze process capability
• develop and evaluate acceptance sampling plans

Figure 2.1: Components of SAS/QC Software

There are two types of tools in SAS/QC software: interfaces and procedures.

• The interfaces are complete, full-screen-oriented environments for statistical quality-improvement applications. Unlike with the procedures, using the interfaces requires no knowledge of SAS programming. These include the SQC menu system and the ADX interfaces for statistical quality-control applications.
• The procedures in SAS/QC software offer greater flexibility and power than the interface. To use a procedure, you must have a basic knowledge of the SAS language and the syntax of the procedure.