问题
单项选择题
Which of the following statements is not true ？（）
A．Attribute sampling is the process of assessing whether results conform to specifications or not
B．Prevention means keeping errors out of the process by applying actions before the process starts changing its input
C．Variables sampling means that the result is classified into one of the 3 categories: "acceptable"-"acceptable after rework" "rejected"
D．Inspection is often mainly done to keep errors out of the hands of the customer instead of as a means of process control
答案
参考答案：C
解析：
下列哪个说法是不正确的
A) 属性抽样是评估结果是否符合规格的过程。
B) 预防是指通过在过程开始之前采取行动确保错误不会出现在过程内。
C) 变量抽样意味着结果通常分为三个类别：接受，返工后接受，拒绝。
D) 检查通常主要用来确保错误不会到客户手中。
变量抽样通常是衡量符合或合格的程度，结果经常是数字，如80%。