Answer-first summary for fast verification
Answer: $\varepsilon_i$ represents the stochastic part of the model
## Explanation **Option A is correct** because: - $\varepsilon_i$ represents the error term or residual, which captures the stochastic (random) component of the model - It represents the part of Y that cannot be explained by the independent variables **Why other options are incorrect:** - **Option B**: If all X variables are zero, Y equals $b_0$ (the intercept), not the change in Y - **Option C**: $b_3$ represents the marginal effect of $X_3$ on Y, not the percentage variation explained. The percentage variation explained is measured by R-squared
Author: LeetQuiz Editorial Team
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Which of the following statements is most accurate with respect to interpreting a multiple regression with the equation
A
represents the stochastic part of the model
B
If the change in each of the variables , , and is zero, the change in is
C
represents the percentage variation in that can be explained by the variable
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