Data Mining uses simple arithmetic techniques such as sums, averages, and groupings to perform what-if analyses, to make predictions, and to facilitate decision making.

A. create meaningful information B. deliver information to users on a timely basis C. use statistical procedures to predict future events D. use disparate data sources

A. Analyze past and current activities only B. Process and record transactions only C. Both of the above are correct. D. Neither of the above is correct.

A. Read and process data from an operational database B. Process transactions C. Process extracts from operational databases D. Process data purchased from data vendors

A. Dirty data B. Inconsistent data C. Too much data D. Non-integrated data