Standard Practice for
Calculating Sample Size to Estimate, With a Specified
Tolerable Error, the Average for a Characteristic of a Lot or
Process1
This trendy is issued under the fixed designation e 122; the quantity right now following the designation suggests the yr of
authentic adoption or, inside the case of revision, the 12 months of final revision. a range of in parentheses indicates the year of closing reapproval. a
superscript epsilon (e) shows an editorial trade for the reason that last revision or reapproval.
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click here to download Astm E 121 – 83 (Reapproved 1996) pdf free
