BS 6954-2:1988
Current
The latest, up-to-date edition.
Tolerances for building Recommendations for statistical basis for predicting fit between components having a normal distribution of sizes
Hardcopy , PDF
English
29-02-1988
National foreword
Committees responsible
Recommendations
1 Scope
2 Field of application
3 Reference
4 General
5 Probability and induced deviations
6 Combination of random variables
Annex
Sampling and the calculation of the standard
deviation
Figures
1 Gaussian curves (normal distribution for different
standard deviations)
2 Limits corresponding to 1, 2 and 3 times the standard
deviation
3 Distribution of values (a) and distribution of
deviations (b), with illustration of limits (c)
Shows how inaccuracies can be treated as both random and systematic, with the random variability following a normal distribution.
| Committee |
W/-
|
| DevelopmentNote |
Also numbered as ISO 3443-2 Supersedes 77/14297 DC and BS DD22(1972) Reviewed and confirmed by BSI, October 2005. (09/2005)
|
| DocumentType |
Standard
|
| Pages |
8
|
| PublisherName |
British Standards Institution
|
| Status |
Current
|
| Supersedes |
This International Standard describes the fundamental characteristics of dimensional variability in building and of the particular case of combination of random unrelated variables; it sets out the need to relate dimensional variability to the limits imposed on joint widths by the need for satisfactory functioning.
| Standards | Relationship |
| ISO 3443-7:1988 | Similar to |
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