ASTM International - Standards Worldwide

DataPoints

Statistics play an important role in the ASTM International standards you write. A panel of experts is ready to answer your questions about how to use statistical principles in ASTM standards. Following is an archive of DataPoints articles published in Standardization News.

2009

Sep/Oct Laboratory Bias
Laboratory-Specific Bias and Its Effect on Precision Statements

Jul/Aug What Are Repeatability and Reproducibility?
Part 3: Their Meaning in Gage r&R Methodology

May/Jun What Are Repeatability and Reproducibility?
Part 2: The E11 Viewpoint

Mar/Apr What Are Repeatability and Reproducibility?
Part 1: A D02 Viewpoint for Laboratories

Jan/Feb Sample Sizes
Considering the Number of Items to Include in a Sample

2008

Nov/Dec Dealing with Outliers
How to Evaluate a Single Straggler, Maverick, Aberrant Value

Sep/Oct Reporting Test Results
Determining Significant Digits and Rounding Properly