Question: We are building a regression tree using recursive binary splitting. There are p predictors X 1 , . . . , Xp . In the

We are building a regression tree using recursive binary splitting. There are p predictors X1,...,Xp. In the first step, we obtain regions (R1 and R2) by splitting X1 at t1. Which statement is TRUE?
Group of answer choices
The next step will split R1 or R2.
The next step can split both R1 and R2.
The next step cannot split R2.
The next step cannot split R1.

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