1: Briefly explain, why we use Data Mining, specifically on large data sets (big data)?

2: List and briefly explain major data mining tasks with examples?

3: Explain different approaches to handle the problem of missing values of attributes while data cleaning.

4: Explain each of the following characteristics about the data warehouse mentioned in its definition: A data warehouse is a (1) subject-oriented, (2) integrated, (3) time-variant, and (4) nonvolatile collection of data in support of (5) managements decision-making process