ASTM E29 - 13(2019)

Standard Practice for Using Significant Digits in Test Data to Determine Conformance with Specifications

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1.1 This practice is intended to assist the various technical committees in the use of uniform methods of indicating the number of digits which are to be considered significant in specification limits, for example, specified maximum values and specified minimum values. Its aim is to outline methods which should aid in clarifying the intended meaning of specification limits with which observed values or calculated test results are compared in determining conformance with specifications.1.2 This practice is intended to be used in determining conformance with specifications when the applicable ASTM specifications or standards make direct reference to this practice.1.3 Reference to this practice is valid only when a choice of method has been indicated, that is, either absolute method or rounding method.1.4 The system of units for this practice is not specified. Dimensional quantities in the practice are presented only as illustrations of calculation methods. The examples are not binding

Number of pages: 5

International relationships:

ICS: 17.020 - Metrology and measurement in general 19.020 - Test conditions and procedures in general

Item number: A007530