When Using a Data Mining Approach for Business Analysis,it Is

Multiple Choice

When using a Data Mining approach for business analysis,it is important to remember which of the following?

A) All relationships between data items mean that one item has an impact on the other.
B) Data patterns and trends must be obvious before we can consider them in the business decision making process.
C) Relationships between data items do not necessarily mean that one causes the other.
D) Data mining should be performed in the operational system,not the data warehouse.