The original/raw data

      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.

A cloud collaboration service.

    Research a cloud collaboration service. Some collaboration service categories include: Project management Calendar sharing tools File sharing and synchronization tools Instant messaging Video conferencing In a Word document, identify the following and...

Computing a t-test

      When computing a t-test, it is important to distinguish between directional and nondirectional hypotheses as the direction will determine the rejection regions. Describe how the rejection regions would differ according to the type of hypothesis...

Good database design

            Good database design must be matched to good table structure. Normalization is a very important ingredient in database design. Why are some table structures considered to be bad and others good? How do you recognize the...