Statistical quality control is one tool used for identifying cause of problems. Which of the following is right about statistical quality control?
A.It is a method of analyzing deviations in manufactured materials, parts, and goods
B.It is a method for identifying a company’s biggest problems
C.It is a method using a bar chart that ranks problems in descending order
D.It is a technique that helps companies translate customer design requirements into product specifications
正确答案是A