Here, we will look at checking the accuracy of a measurement device over its range of measurements. The worksheet Gage Linearity has a study with five known reference samples, each measured 12 times. The actual result and the measured value are used to estimate the bias or linearity of the measurement device.
There is a historical process variation of two units that will be used to assess the size of the bias and linearity to the process variation.
The following instructions will check the accuracy for a range of standard samples:
Open the worksheet
Gage Linearity.mtwby using the Open Worksheet… option from the File menu.Navigate to Stat | Quality Tools | Gage Study and click on Gage Linearity and Bias Study.
Enter
Partin the Part numbers field.Enter
Referencein the Reference values field.Enter
Resultin the Measurement data field.Enter the Process variation as
2.Click on OK to run the study.