www.stat.washington.edu/pds/stat502/. /Yanez.DesignIntro.hl.pdf‎CachedSimilarExperimental unit - The unit to which the treatment is applied. ◇. Observational

What are the key elements in Fisher's argument? First, experiments do not

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Experimental error variance reflects the variability among the experimental units.

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of treatments on observed outcomes in the experimental sciences. ln particular, .

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Now the treatment is the variety–compost–water combination. The pots are the

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When a treatment is applied to a patient and a single observation is made for this

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