The Assistant tools will also run a one-way ANOVA. This provides a simpler route to generate the test and is presented as a series of graphical report pages.
For this recipe, we will compare the different mean times between failures of pressure sensors. The response is the number of weeks in service; the category is the failure mode of the circuit. The dataset we will open is circuit.mtw
and is one of the example datasets that are installed with Minitab.
The following steps will run a one-way ANOVA and display the graphical reports:
Go to the File menu and click on Open Worksheet.
Click on the button for Look in Minitab Sample Data folder.
Open the
circuit.mtw
file.Go to the Assistant menu and then click on Hypothesis tests.
From the Compare more than two samples heading, select One-Way ANOVA.
From the drop-down box, make sure that the choice for data is selected as Y data are in one column, X values are in another column.
In Y data column:, enter...