WorksheetsDATA MINING
Total questions: 10
Worksheet time: 2mins
1. Data mining is
Actual discovery phase of knowledge of KDD
Stage of selecting right data in KDD
Transformation phase of data in KDD
All the above
The problem of finding hidden structure in unlabled data is
Supervised learning
Unsupervised learning
Reinforcement learning
Machine learning
Task of inferring model from a labeled trained data is
Unsupervised learning
Reinforcement learning
Supervised learning
None
Data mining helps to determine what kind of people buy what kind of products. This belongs to which field?
Cross Market Analysis
Target Marketing
Customer Profiling
Customer Requirements
______ are used in retail sales to identify patterns that are frequently purchased together.
Classification
Regression
Association
Clustering
____ refers to the mapping or classification of a class with some predefined group or class.
Data Discrimination
Data Characterization
Data Definition
Data Visualization
A college professor wishes to reach a certain level of savings before her retirement. This is related to which data mining task?
Clustering
Regression
Association
Classification
A grocery store retailer is trying to decide whether to put bread on sale. This is related to which data mining task?
Association
Outlier analysis
Summarization
Prediction
Discriminating between spam and correct email is a
Clustering
Segmentatiin
Classification
Regression
Which of the following is not involving data mining
Knowledge discovery
Data archaeology
Data exploration
Data transformation
