Question: An ANCOVA analysis returns a significant finding. from this we can determine that: 1. the means of all categories are statistically different to each other

An ANCOVA analysis returns a significant finding. from this we can determine that:

1. the means of all categories are statistically different to each other

2. the covariations add significantly to the model r2

3. At least one of the means of the categories are statistically different to the others

4. the means of all categories and the means of the covariate variables are statistically different to each other

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