Artificial Intelligence Multiple Choice Questions on “Decision Trees”.
1. A _________ is a decision support tool that uses a tree-like graph or model of decisions and their possible consequences, including chance event outcomes, resource costs, and utility.
a) Decision tree
b) Graphs
c) Trees
d) Neural Networks
Answer: a
Clarification: Refer the definition of Decision tree.
2. Decision Tree is a display of an algorithm.
a) True
b) False
Answer: a
3. What is Decision Tree?
a) Flow-Chart
b) Structure in which internal node represents test on an attribute, each branch represents outcome of test and each leaf node represents class label
c) Flow-Chart & Structure in which internal node represents test on an attribute, each branch represents outcome of test and each leaf node represents class label
d) None of the mentioned
Answer: c
Clarification: Refer the definition of Decision tree.
4. Decision Trees can be used for Classification Tasks.
a) True
b) False
Answer: a
5. Choose from the following that are Decision Tree nodes?
a) Decision Nodes
b) End Nodes
c) Chance Nodes
d) All of the mentioned
Answer: d
6. Decision Nodes are represented by ____________
a) Disks
b) Squares
c) Circles
d) Triangles
Answer: b
7. Chance Nodes are represented by __________
a) Disks
b) Squares
c) Circles
d) Triangles
Answer: c
8. End Nodes are represented by __________
a) Disks
b) Squares
c) Circles
d) Triangles
Answer: d
9. Which of the following are the advantage/s of Decision Trees?
a) Possible Scenarios can be added
b) Use a white box model, If given result is provided by a model
c) Worst, best and expected values can be determined for different scenarios
d) All of the mentioned
Answer: d