September 2024
Intermediate to advanced
386 pages
12h 2m
English
Content preview from Statistical Process Control and Data Analytics, 8th Edition
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6Process control using variables
Objectives
- To introduce the use of mean and range charts for the control of process accuracy and precision for variables.
- To provide the method by which process control limits may be determined.
- To set out the steps in assessing process stability and capability.
- To examine the use of mean and range charts in the real-time control of processes.
- To look at alternative ways of setting up and using control charts.
- To consider the impact of ‘big data’ on the use of SPC.
6.1 Means, ranges and charts
To control a process using variable data, it is necessary to keep a check on the current state of the accuracy (central tendency) and precision (spread) of the distribution of the data. ...
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