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BS IEC 60493-1:2011:2012 Edition

BS IEC 60493-1:2011:2012 Edition

$167.15

Guide for the statistical analysis of ageing test data – Methods based on mean values of normally distributed test results

Published By Publication Date Number of Pages
BSI 2012 40
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This part of IEC 60493 gives statistical methods which may be applied to the analysis and evaluation of the results of ageing tests.

It covers numerical methods based on mean values of normally distributed test results.

These methods are only valid under specific assumptions regarding the mathematical and physical laws obeyed by the test data. Statistical tests for the validity of some of these assumptions are also given.

This standard deals with data from both complete test sets and censored test sets.

This standard provides data treatment based on the concept of “data sub-group” as defined in Clause 3. The validity of the coefficients used in the calculation processes to derive statistical parameters of the data groups are described in [1].

PDF Catalog

PDF Pages PDF Title
4 English
CONTENTS
5 FOREWORD
7 INTRODUCTION
8 1 Scope
2 Normative references
3 Terms, definitions and symbols
3.1 Terms and definitions
10 3.2 Symbols
11 4 Calculation procedures
4.1 General considerations
4.2 Single sub-group ā€“ Difference of mean and specified value
12 4.3 Two subgroups ā€“ Difference of means
13 4.4 Two or more subgroups ā€“ Analysis of variance
15 4.5 Three or more subgroups ā€“ Regression analysis
20 Annex A (informative) Statistical background
24 Annex B (informative) Statistical tables
25 Table B.1 ā€“ Coefficients for censored data calculations
32 Table B.2 ā€“ Fractiles of the F-distribution, F0,95
34 Table B.3 ā€“ Fractiles of the F-distribution, F0,995
36 Table B.4 ā€“ Fractiles of the t-distribution, t0,95
Table B.5 ā€“ Fractiles of the Ļ‡2 -distribution
37 Bibliography

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BS IEC 60493-1:2011
$167.15