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BS 5702-1:2001
Current
The latest, up-to-date edition.
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Guide to statistical process control (SPC) charts for variables Charts for mean, median, range and standard deviation
Hardcopy , PDF
English
02-03-2001
Committees responsible
Foreword
Introduction
1 Scope
2 Normative references
3 Definitions
4 Symbols
5 Preparation for control charting
6 Types of variables charts
7 Setting up the control chart
8 Using the control chart
Annex A (normative) Analysis of subgroup data
Annex B (informative) Control charts with
probabilistic action lines and warning lines
Annex C (informative) Tables of values of c4/c4 and c4
Bibliography
Figure 1 - Recommended control chart layout for X/R chart
Figure 2 - Flowchart for the collection and analysis of
preliminary data to set up a control chart
Figure 3 - Example of a typical reaction plan for a
production process
Figure 4 - Typical patterns and trends to look for in
the analysis of range control charts
Figure A.1 - Range control charts
Figure A.2 - Processes out-of-control for ranges with
patterns or trends within the control lines
Figure A.3 - Average (X) charts
Figure A.4 - Process out-of-control for averages with
patterns or trends within the control lines
Table 1 - X scale as a function of subgroup size
Table 2 - Factors for the calculation of control and
warning lines
Table A.1 - Significant run lengths
Table B.1 - Factors for the calculation of probabilistic
control limits of X plots.
Table B.2 - Factors for the calculation of probabilistic
control limits for R and s charts
Table C.1 - Values of c4/c4
Table C.2 - Values of c4
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