Data Mining Quiz

What is Data Mining?

• Storing large data

• Searching web pages

• Extracting useful information from large datasets

• Formatting data

Which of the following can be mined?

• Text data

• Audio data

• Video data

• All of the above

Which is a major issue in data mining?

• Data collection

• Data redundancy

• Handling noisy data

• Printing data

What is the first step in data preprocessing?

• Data Cleaning

• Data Reduction

• Data Transformation

• Data Visualization

Which one is a classification technique?

• Decision Tree

• K-Means

• Apriori

• OLAP

Clustering groups data based on:

• Labels

• Similarity

• Class

• Data warehouse

Association Rule Mining is used to find:

• Decision paths

• Relations among items

• Clusters

• Trees

What is the support of a rule in association mining?

• Frequency of items in result set

• Number of classes

• Cluster center

• Rule quality

Which software is commonly used in data mining?

• Microsoft Word

• Weka

• Excel

• Chrome

Which is not a classification technique?

• Decision Tree

• Naive Bayes

• K-Means

• Rule-based classifier