Concerning the values of a variable, as opposed to attribute data. A dimensional value can be recorded and is only limited in value by the resolution of the measurement system.
Data coming basically from GO/NO-GO, pass/fail determinations of whether units conform to standards.
One of the most common measures of variability in a data set or population.
The value occurring most frequently in a data set.
Countable observations, for example, number of defects.
The use of basic graphical and statistical methods for analyzing and controlling the variation of a process, and thus continuously improving the process.
The middle value of a data set when the values are arranged in either ascending or descending order.
A set of values or items selected from some population.