Committees responsible
Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Illustration of value and role of statistical method
through examples
4.1 Statistical method
4.2 Example 1: Strength of wire
4.3 Example 2: Weight of fabric
4.4 Example 3: Percentage ash content of cargo of
coal
5 Introduction to the simpler statistical tools
5.1 General
5.2 Basic statistical terms and measures
5.3 Presentation of data
6 Verification and sampling considerations
6.1 Statistical control and process capability
6.2 Sampling considerations
7 Methods of conformity assessment
7.1 The statistical concept of a population
7.2 The basic of securing conformity to
specification
8 The statistical relationship between sample and
population
8.1 The variation of the mean and the standard
deviation in samples
8.2 The reliability of a mean estimated from
representative and duplicate sampling
8.3 Illustration of the use of the mean weight, and
the lowest weight, in a sample of prescribed
size of standard specimens of fabric
8.4 Tests and confidence intervals for means and
standard deviations
8.5 Simultaneous variation in the sample mean and in
the sample standard deviation
8.6 Tests and confidence intervals for proportions
8.7 Prediction intervals
8.8 Statistical tolerance intervals
8.9 Estimation and confidence intervals for the
Weibull distribution
8.10 Distribution-free methods: estimation and
confidence intervals for a median
9 Acceptance sampling
9.1 Methodology
9.2 Rationale
9.3 Some terminology of acceptance sampling
9.4 Acceptance sampling by attributes
9.5 Acceptance sampling by variables - Single
quality characteristic
9.6 Multiple quality characteristics
10 Statistical process control (SPC)
10.1 Process focus
10.2 Essence of statistical process control (SPC)
10.3 Statistical process control or statistical
product control ?
10.4 Over-control, under-control and control of
processes
10.5 Key statistical steps in establishing a
standard performance based control chart
10.6 Interpretation of standard Shewhart type
control charts
10.7 Selection of an appropriate control chart for
a particular use
11 Process capability
11.1 Overview
11.2 Process performance v process capability
11.3 Process capability for measured data
11.4 Process capability indices
11.5 Process capability for attribute data
12 Statistical experimentation and standards
12.1 Basic concepts
13 Measurement systems
13.1 Measurements and standards
13.2 Measurements, quality and statistics
13.3 Examples of statistical methods to ensure
quality of measured data
Annex A (informative) Measured data control charts:
formulae and constants
Annex B (informative) Percentage points of the t-distribution
Bibliography
Figures
Tables