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Rounding-Off Method. 3.1 Where Applicable-The rounding-off method applies where it is the intent that a limited number of places of figures in an ~b served value or a calculated value are to be considered significan t for purposes of deter mining conformance with specifications.
1 lip 2021 · Significance and Use. 5.1 The guidelines presented in this practice for retaining significant digits and rounding numbers may be adopted by the using agency or user. Their adoption should generally be used to calculate and record data when specified requirements are not included in a standard.
conformance with specifications when the applicable ASTM specifications or standards make direct reference to this practice. 1.3 This practice describes two commonly accepted methods of rounding data, identified as the Absolute Method and the Rounding-Off Method. In the application of this
6. Rounding Method 6.1 Where Applicable—The rounding method applies where it is the intent that a limited number of digits in an observed value or a calculated value are to be considered significant for purposes of determining conformance with specifications. 6.2 How Applied—With the rounding method, an observed
5.2 Rounding Numbers—When a numerical value is to be rounded to fewer digits than the total number available, use the following procedure which is in accordance with Practice E29
Statistics play an important role in the ASTM International standards you write, such as the development of precision and bias statements for test methods, running interlaboratory studies, knowing how to round numbers properly and determining sample size.
numbers represented with a decimal point are significant digits. For example, the numbers 1270. and 32.00 each have four significant digits. The significance of trailing zeros for numbers represented without use of a decimal point can only be identified from knowledge of the source of the value.
