All of the following statements about data mining are true EXCEPT
A) understanding the business goal is critical.
B) understanding the data, e .g., the relevant variables, is critical to success.
C) building the model takes the most time and effort.
D) data is typically preprocessed and/or cleaned before use.

Question

Quizplus · Accepted Answer

Building the model is an important step, but it is not necessarily the most time-consuming or effort-intensive step in data mining. Other steps, such as understanding the business goal and preparing the data, can also require significant time and effort.

All of the Following Statements About Data Mining Are True