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Latin Square Designs

The Latin Square design is a type of experimental design that allows blocking in two variables:

 Operators (second blocking variable ) Material Batch (first blocking variable ) 1 2 3 4 5 1 A B C D E 2 B C D E A 3 C D E A B 4 D E A B C 5 E A B C D

The treatments are represented by the Latin letters 'A', 'B' etc.

The design is restrictive because the number of classes of each blocking variable must equal the number of treatments. It is appropriate for eg. testing crops because the land can be organized into the appropriate number of 'blocks'.

 The Design of Experiments is covered in the MiC Quality basic Design of Experiments course and Advanced Design of Experiments course. Try out our courses by taking the first module of the Primer in Statistics free of charge.
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