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CH 8 Factorial Designs

CH 8 Factorial Designs. Section 8.1 and 8.2 Two-way Factorials. For describing the interaction effect, it’s is easiest to interpret This is the difference between the A treatment means rather than differences from the overall mean.

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CH 8 Factorial Designs

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  1. CH 8 Factorial Designs

  2. Section 8.1 and 8.2 Two-way Factorials

  3. For describing the interaction effect, it’s is easiest to interpret • This is the difference between the A treatment means rather than differences from the overall mean. • We could find a confidence interval for this to describe the size of the interaction effect

  4. We can also do an ANOVA with blocks • By including block effects similar to the A and B main effects. • Often interactions with blocks are not included in the ANOVA. • Other software such as Design Expert or SAS-JMP are simpler to use for these more complicated analyses.

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