怎么样计算 R & R

客户要求抽一个样办,在同一设备测试25次

One sample must be tested 25 times in the same equipment.As a level of acceptance,it is consider

a. if % R & R <10% ---Valid measurement equipment

b. If 10 % < % R & R < 30%---acceptable depending on the application,cost of the alternatived and son on

c.if % R & R > 30% ---Not acceptable

请朋友是否可以给一例子参考,谢谢