Goal: measuring how one continuous predictor variable (IV) predicts the one continuous outcome variable (DV).
Hypothesis:
H0: the regression model does not fit the data better than the grand mean. F≈1
H1: the regression model fits the data better than the grand mean. F>1
H0: the regression coefficient in the population is 0.
H1: the regression coefficient in the population is not 0.
Assumptions of linear regression (these are tested for the residuals!!!):
1. Linearity
2. Homogeneity of variance/homoscedasticity
3. Independence of residues
4. Normality (CLT applies)
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