4th Edition, 07.2005 3rd Edition dated 06.1994 2nd Edition dated 05.1990 1st Edition dated 09.1987 2005 Robert Bosch GmbH - 3 - Table of Contents Introduction .......................................................................................................................................................5 1. Terms for Statistical Process Control ............................................................................................................6 2. Planning .........................................................................................................................................................8 2.1 Selection of Product Characteristics .................................................................................................8 2.1.1 Test Variable ........................................................................................................................8 2.1.2 Controllability ......................................................................................................................9 2.2 Measuring Equipment .......................................................................................................................9 2.3 Machinery .........................................................................................................................................9 2.4 Types of Characteristics and Quality Control Charts ......................................................................10 2.5 Random Sample Size ......................................................................................................................11 2.6 Defining the Interval for Taking Random Samples ........................................................................11 3. Determining Statistical Process Parameters ................................................................................................12 3.1 Trial...
