In the context of multiple regression, the model is typically expressed as:
\[ y_i = \beta_0 + \beta_1 x_{i1} + \beta_2 x_{i2} + \ldots + \beta_k x_{ik} + \epsilon_i \]
where \( y_i \) is the dependent variable, \( x_{i1}, x_{i2}, \ldots, x_{ik} \) are the
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