Defect concentration diagram

The defect concentration diagram (also problem concentration diagram[1]) is a graphical tool that is useful in analyzing the causes of the product or part defects.

[2] It is a drawing of the product (or other item of interest), with all relevant views displayed, onto which the locations and frequencies of various defects are shown.

Defect concentration diagram is used effectively in the following situations: There are a number of steps that are needed to be follow when constructing the defect concentration diagram:

Concentration diagram of Cholera deaths 1854 in London (John Snow (1813-1858))