简单随机抽样(simple random sampling),也叫纯随机抽样。从总体N个单位中随机地抽取n个单位作为样本,使得每一个容量为样本都有相同的概率被抽中。特点是:每个样本单位被抽中的概率相等,样本的每个单位完全独立,彼此间无一定的关联性和排斥性。简单随机抽样是其它各种抽样形式的基础。通常只是在总体单位之间差异程度较小和数目较少时,才采用这种方法[1]。
ASTM E105 Standard Practice for Probability Sampling Of Materials
ASTM E122 Standard Practice for Calculating Sample Size to Estimate, With a Specified Tolerable Error, the Average for Characteristic of a Lot or Process
ASTM E141 Standard Practice for Acceptance of Evidence Based on the Results of Probability Sampling
ASTM E1402 Standard Terminology Relating to Sampling
ASTM E1994 Standard Practice for Use of Process Oriented AOQL and LTPD Sampling Plans
ASTM E2234 Standard Practice for Sampling a Stream of Product by Attributes Indexed by AQL(英语:Acceptable quality limit)