评估为测试选择的样本的重要性，以确定样本是否代表较大的输出或结果。确定样品是否符合要求。确定接受、拒绝、补救和预防的条件。 Assessing the significance of the sample chosen for the test in order to determine whether or not the sample is representative of the larger output or outcome. Determine if the sample meets or does not meet the requirements. Identify the conditions for acceptance, rejection, remediation, and prevention.