Test if there is a difference between population means when a response variable is classified by two or more categorical variables (factors).
Select a cell in the dataset.
On the Analyse-it ribbon tab, in the
Statistical Analyses group, click Fit Model, and then click ANOVA.
The analysis task pane opens.
In the Y drop-down list, select the response
In the Available variables list, select the factor
- To select a single variable, click the variable.
- To select multiple variables, click the first variable then hold down
the CTRL key and click each additional variable.
- To select a range of variables, click the first variable then hold down
the SHIFT key and click the last variable in the range.
Click Factorial, and then click
Full for a full factorial model, or click the highest
order of interaction terms to include in the model.
To sort the terms by order (that is, all simple terms, all two-way interactions, then all three-way interactions...) rather than in the order the variables were added, click Sort.