Business intillegence question

1)  Why are the original/raw data not readily usable by analytics tasks? What are the main data preprocessing steps? List and explain their importance in analytics. 

Insturctions: 

1)200-300 WORDS and two pee reply post 100 words each

2)NO PLAGARISM

3)APA FORMAT

4)TWO REFERNCE MUST AND CITE THE REFERENCE PROPERLY

2)  What are the privacy issues with data mining? Do you think they are substantiated? 

Insturctions: 

1)200-300 WORDS and two reply post 100 words each

2)NO PLAGARISM

3)APA FORMAT

4)TWO REFERNCE MUST AND CITE THE REFERENCE PROPERLY