From ISixSigma:
Also see Attribute - Definition of
Attribute data is the lowest level of data. It is purely binary in nature. Good or Bad, Yes or No. No analysis can be performed on attribute data.
Attribute data must be converted to a form of Variable data called discrete data in order to be counted or useful.
It is commonly misnamed discrete data.
Attributes data are qualitative data that can be counted for recording and analysis.
Examples include the presence or absence of a required label, the installation of all required fasteners.
Attributes data are not acceptable for production part submissions unless variables data cannot be obtained.
The control charts based on attribute data are percent chart, number of affected units chart, count chart, count-per-unit chart, quality score chart, and demerit chart.
Attribute data must be converted to a form of Variable data called discrete data in order to be counted or useful.
It is commonly misnamed discrete data.
Attributes data are qualitative data that can be counted for recording and analysis.
Examples include the presence or absence of a required label, the installation of all required fasteners.
Attributes data are not acceptable for production part submissions unless variables data cannot be obtained.
The control charts based on attribute data are percent chart, number of affected units chart, count chart, count-per-unit chart, quality score chart, and demerit chart.