Background
Cochran's Q test assumes that there are k > 2 experimental treatments and that the observations are arranged in b blocks; that is,
| Treatment 1 | Treatment 2 | Treatment k | ||
|---|---|---|---|---|
| Block 1 | X11 | X12 | X1k | |
| Block 2 | X21 | X22 | X2k | |
| Block 3 | X31 | X32 | X3k | |
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| Block b | Xb1 | Xb2 | Xbk |
Read more about this topic: Cochran's Q Test
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