Stat > Power and Sample Size > 2-Level Factorial Design > Graph
Display power curve
Create a plot that shows the power of the test versus the effect size, with a curve for each combination of replicates and number of center points per block. Use this plot to compare different designs.
Generate additional power curves based on
Enter numbers of replicates and numbers of center points per block to display power curves for combinations of values that you did not include on the main dialog box.