1. What is the phenomenon that many types of data analysis become significantly harder as the dimensionality of the data increases?

a. The Curse of Reduction

b. The Curse of Dimensionality

c. The Phenomenon of Reduction

d. The Phenomenon of Dimensionality

Which type of Sampling is this? "As each item is selected, it is removed from the population." a. Sampling with replacement b. Simple Random Sampling c. Stratified sampling d. Sampling without replacement

4. Algoritm for Decision Tree Induction

1. Create a new node

2. Find the best split

3. Determine class label to be assigned to a leaf node

4. ___________________________________ .

Options a. terminate the tree-growing process

b. repeat steps 1-3 / stop

c. look for another split

d. repeat step 1 / repeat step 2