Anova Assumptions. The experimental errors of your data are normally distributed 2. Model Assumptions Consider the single factor model.
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We will use the same data that was used in the one-way ANOVA tutorial. I Subjects are chosen via a simple random sample. Homoscedasticity The variation around the mean for each group being compared should be similar among all groups.
Equal variances between treatments Homogeneity of variances Homoscedasticity 3.
Each sample is an independent random sample. 1 Normally distributed 2 Constant variance 3 Independent We will use the estimated errors ij Y ij Y ij or residuals from the model to check the assumptions. I Subjects are chosen via a simple random sample. This means that it tolerates violations.
