# ✅ Quiz M5.03
```{admonition} Question
When fitting a decision tree regressor in scikit-learn, the predicted values on
a leaf correspond to:
- a) the median of the training samples at this node
- b) the mean of the training samples at this node
- c) the most frequent value of the training samples at this node
_Select a single answer_
```
+++
```{admonition} Question
Decision tree regressors can predict:
- a) any values, including values larger or smaller than those observed in `y_train`;
- b) only values in the range from `np.min(y_train)` to `np.max(y_train)`.
_Select a single answer_
```
+++
```{admonition} Question
The predictions of a tree regressor correspond to:
- a) a piecewise-linear function
- b) a piecewise-constant function
- c) a piecewise-cubic function
_Select a single answer_
```