Data Mining - 3

What does OLTP stand for?

• Offline transaction processing
• Online transaction processing
• Outline traffic processing
• None

Where is data warehousing used?

• Transaction system
• Logical system
• Decision support system
• None

ETL stands for ____________

• Effect, transfer, and load
• Explain, transfer and load
• Extract, transfer, and load
• Extract, transform, and load

What is the use of data cleaning?

• To remove the noisy data
• Transformations to correct the wrong data.
• Correct the inconsistencies in data
• All of the above

) What is KDD in data mining?

• Knowledge Discovery Database
• Knowledge Discovery Data
• Knowledge Data definition
• Knowledge data house

Which of the listed below helps to infer a model from labeled data?

• Hybrid learning
• Unsupervised learning
• Supervised learning
• Reinforcement learning

Cluster analysis is ...................

• Unsupervised Learning

• Supervised learning

• Semi supervised learning

• None of these

______ are used in retail sales to identify patterns that are frequently purchased together.

• Classification

• Regression

• Association

• Clustering

Which of the following task is not Data Mining?

• Predicting price of a stock

• Clustering customers according to preferences

• Association Rule Mining

• Looking up records in Telephone Directory