ASTM E122-09 PDF

9. Sample Size and Confidence. • Calculating Sample Size (ASTM: E – 09). • Demonstrating Confidence in Complying with an Acceptance Procedure (ASTM: . Find the most up-to-date version of ASTM E at Engineering ASTM E, “Calculating Sample Size to Estimate, with. Specified Precision the Average for a Characteristic of a Lot or Process”.

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Need more than one copy? We often sell the following: General statistical terms and terms used in probability ISOPart 2: General statistical terms and terms used in probability. The standard e1220-9 provides e1222-09 on the selection of the appropriate inspection system for use in a particular situation.

The practice treats the common situation where the sampling units can be considered to exhibit wstm single overall source of variability; it does not treat multi-level sources of variability.

The level of a characteristic may often be taken as an indication of the quality of a material. Please first log in with a verified email before subscribing to alerts. Standards Subsctiption may be the perfect solution.

Referenced Documents purchase separately The documents listed below are referenced within the subject standard but are not provided as part of the standard.

ASTM E Archives – Document Center’s Standards Forum

This standard is also available to be included in Standards Subscriptions. Proceed to Checkout Continue Shopping. Please first verify your email e1220-9 subscribing to alerts. If the process is not in a state of statistical control, the result will not have predictive value for immediate future production.

Dimensional quantities in the standard are presented only as illustrations of calculation methods.

As the voice of the U. During the last few years, the ISO standards on this topic have seen greater usage as well.

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Historical Version s – view previous versions of standard. Link to Active This link will always route to the current Active version of the standard. This practice is intended for use in determining the sample size required to estimate, with specified precision, such a measure of the quality of a lot or process either as an average value or as a fraction not conforming to a specified r122-09.

Subscription pricing is determined by: Your Alert Profile lists the documents that will be monitored. ISOPart 2: This standard is not included in any packages. You can download and open this file to your own computer but DRM prevents opening this file on another computer, including a networked server. Add to Alert PDF. ISOAccuracy trueness and precision of measurement methods and results — Part 1: It outlines the general principles to be understood when assessing accuracy of measurement methods and results.

The practice applies when quality is expressed as either the lot average for a given property, or as the lot fraction not conforming to prescribed standards.

If the process is not in a state of statistical control, the result will not have predictive value for immediate future production. The practice treats the common situation where the sampling units can be considered to exhibit a single overall source of variability; it does not treat multi-level sources of variability. This practice will clearly indicate the sample size required to estimate the average value of some property or the fraction of nonconforming items produced by a production process during the time interval covered by the random sample.

ISOPart 3: The 5th edition is the current revision of this item. Applied statistics ISOPart 3: ISOPart 1: It can also be used to establish practical estimations of the various measures by experiment.

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Tag: ASTM E122-09

This standard is intended for use in determining the sample size required to estimate, with specified precision, a measure of quality of a lot or process. If so, an estimate of the average value of that characteristic or of the fraction of the observed values that do not conform to a specification for that characteristic becomes a measure of quality with respect to that characteristic. If the document is revised or amended, you will be notified by email. The practice applies when quality is expressed as either the lot average for a given property, or as the lot fraction not conforming to prescribed standards.

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This practice will clearly indicate the sample size required to estimate the average value of some property or the fraction of nonconforming items produced by a production process during the time interval covered by the random sample. ISOSampling procedures for inspection by attributes — Part They provide concepts, tools and techniques to help an organization in planning, implementation and evaluation of an effective statistical process control SPC system.

We have no amendments or corrections for this standard. Catalog of Tools and Techniques, are two additional useful standards. Should you have any questions about the above standards, or need more suggestions to get the information you need, please contact us at www.

The standard may be applied to a very wide range of materials, including liquids, powders and solid objects, manufactured or naturally occurring.

Standards Subscriptions from ANSI provides a money-saving, multi-user solution for accessing standards. The examples are not binding on products or test methods treated. General principles and definitions, is an introduction to the ISO series.