The data used in data mining typically come from___________ that store huge amounts of data that have been prepared for data mining analysis by being cleaned of errors and redundancy.
A) Internet databases
B) competitive intelligence sources
C) data warehouses
D) data extractions
E) information clearinghouses

Question

Quizplus · Accepted Answer

Data warehouses are specifically designed for storing large amounts of data that have been cleaned and organized for analysis. This makes them the ideal source for data used in data mining. While some data may come from internet databases or other sources, the primary source is typically a data warehouse. Competitive intelligence sources and information clearinghouses may provide useful data, but they are not specialized for data mining purposes. Data extractions may be used to transfer data from one system to another, but they are not a source of data themselves.

The Data Used in Data Mining Typically Come From___________ That