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Work Item

ASTM WK95327

Revision of E177-20 Standard Practice for Use of the Terms Precision and Bias in ASTM Test Methods

Rationale

List of potential revisions to E177=20 1. Remove E1488 and E2587 from section 2. Referenced Documents, as their content is not directly used in E177. 2. Change text in 3.1 (as shown) to conform with the wording preferred be Sub E11,70. 3. Review the Terminology section for unneeded terms and the 25 Discussions. 4. Remove 4.4 on accuracy or simply refer to 9,3 in this standard, 5. Modify 5.5 to include reference to the new TMMP standard that references E2587. 6. Section 6 on Measurement Technology probably needs some rework including the title. A lot of the prior content was lifted into E2282 some years ago. 7. Title of Section 7 should be changed to: 7. Sourccs of Test Result Variability. 8. Section 8.4.2 Laboratory Precision might also refer to the TMMP standard. 9. In 9,1.5 differences between two sources of data could be tested for equivalence and Standard E2935 could be mentioned. 10. The examples in Section 10 should be reviewed for current relevance

Details

Developed by Subcommittee: E11.20

Committee: E11

Staff Manager: Kelly Paul

Work Item Status

Date Initiated: 06-18-2025

Technical Contact: Thomas Murphy

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