Question

Problem 4: Suppose we have the following training data in which for each value of predictor X, we
have the corresponding Y right below that. We would line to estimate the coefficient of a simple linear
regression to have ^ Y = ^ 0 + ^ 1X
X -1 2 -1 0 0
Y 0 2 2 0 -1
Fig. 3. Training data problem 4
a) Use hand calculations to find ^ 0 and ^ 1.
b) Use hand calculations to determine the RSE and R2 on this training data.
c) What is the value of ^ Y for X = 3?

Answer 1

Answer:

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Explanation:

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