Question: 4. (10 points) You are given the following data set with a single predictor (x) and a response variable (y): Xxi Yi 1 0

4. (10 points) You are given the following data set with a

4. (10 points) You are given the following data set with a single predictor (x) and a response variable (y): Xxi Yi 1 0 2 2 2 2 3 1 3 a) Suppose you fit a trivial model with no predictor (i.e., = ). Deter- mine the Leave-One-Out Cross-Validation (LOOCV) mean squared error. (b) Suppose you fit a simple regression model (i.e., = Bo+Bx). Deter- mine the LOOCV mean squared error.

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