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One-way ANOVA Inference for one-way ANOVA - page 7 / 41

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The ANOVA model

Random sampling always produces chance variations. Any “factor effect” would thus show up in our data as the factor-driven differences plus chance variations (“error”):

Data = fit (“factor/groups”) + residual (“error”)

The one-way ANOVA model analyses situations where chance variations are normally distributed N(0,σ) so that:

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