Which Statement Is True About the Decision Tree Attribute Selection

question 1

Multiple Choice

Which statement is true about the decision tree attribute selection process described in your book?

• A) A categorical attribute may appear in a tree node several times but a numeric attribute may appear at most once.
• B) A numeric attribute may appear in several tree nodes but a categorical attribute may appear at most once.
• C) Both numeric and categorical attributes may appear in several tree nodes.
• D) Numeric and categorical attributes may appear in at most one tree node.

---

Definitions:

Observed

Observed, in statistics, refers to the actual data or values collected from experiments or studies, as opposed to expected or theoretical values.

Chi-square Value

A statistic used to measure the differences between observed and expected frequencies in categorical datasets, testing for independence or goodness of fit.

Observed

Refers to measured or witnessed information and data gathered through experimentation or research.

Expected

Refers to the predicted outcome or value in probability and statistics, often based on theoretical or historical data.