Please answer the following questions, attached the ppt files for reference the questions are from these chapters. 1 Why are the original/raw data not readily usable by analytics tasks? What are the m

Please answer the following questions, attached the ppt files for reference the questions are from these chapters.

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.

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

APA format with references no plagiarism, 250-300 words.