488 Lesson 1

BI is information systems that process data to identify patterns, relationships, and trends?

• True

• False

Which is not BI activities?

• Data Acquisition

• BI analysis

• Publish results

• Checking fraud

Which activity is not involved in the acquire data process?

• Obtain

• Clean

• Organize

• Report

A data mart is a large centralized repository of data that contains information from many sources within an organization?

• True

• False

Enterprise-wide repository of disparate data sources is a characteristic of...

• Data warehouse

• Data mart

• BI

• None of the above

Unsupervised Data Mining doesn't need a hypothesis before running the analysis

• True

• False

......... data mining need model hypothesis before running analysis

• supervised

• unsupervised

• semi supervised

• unpervised

This picture represents........

• Unsupervised data mining

• Supervised data mining

• Association data mining

• Regression analysis

Data mining is a process of automated discovery of previously unknown patterns in large volumes of data

• True

• False

Regression falls under which techniques of data mining?

• Predictive modeling

• Database segmentation

• Link analysis

• Deviation detection