To block a design created with the default generatorsmain topic see also
To block a design created with the default generators1 In the Create Factorial Design dialog box, click Designs.
2 From Number of blocks, choose a number. Click OK.
The list shows all the possible blocking combinations for the selected design with the number of specified replicates. If you change the design or the number of replicates, the list will reflect a new set of possibilities.
If your design has replicates, Minitab attempts to put the replicates in different blocks. For details, see Rule for blocks with replicates for default design.