Quality management apparatus, quality management method, and non-transitory computer readable medium

A quality management method comprising:

• acquiring, about products to be managed, a rate of occurrence of a malfunction on an occurrence period basis, an operation condition of the products, and a manufacturing condition for the products;
• and
• classifying the rate of occurrence into layers under the operation condition, and extracting, for each layer under the operation condition, a relationship between the rate of occurrence and the manufacturing condition.

A non-transitory computer readable medium storing a program causing a computer to execute a process, the process comprising:

• acquiring, about products to be managed, a rate of occurrence of a malfunction on an occurrence period basis, an operation condition of the products, and a manufacturing condition for the products;
• and
• classifying the rate of occurrence into layers under the operation condition, and extracting, for each layer under the operation condition, a relationship between the rate of occurrence and the manufacturing condition.