Business Intelligence (BI) systems fall into two broad categories: reporting and data warehousing. True False TRUE ANSWER : ? YOUR ANSWER : ?
We have Market Basket data for 1,000 rental transactions at a Video Store. There are for videos for rent -- Video A, Video B, Video C and Video D. The probability that both Video C and Video D are rented at the same time is known as ________ . confidence support lift the basic probability TRUE ANSWER : ? YOUR ANSWER : ?
One popular classification technique in Business Intelligence (BI) reporting is ________ . cluster analysis only regression analysis only both cluster analysis and regression analysis RFM analysis only TRUE ANSWER : ? YOUR ANSWER : ?
OnLine Analytical Processing (OLAP) is a BI reporting system. True False TRUE ANSWER : ? YOUR ANSWER : ?
The reports generated by a reporting system are usually not delivered in which of the following media? E-Mail Web portal Digital dashboard Commercial courier service TRUE ANSWER : ? YOUR ANSWER : ?
Which of the following is not a component of a data warehouse? None of these Data metadata Data warehouse data Data extraction/cleaning/preparation programs TRUE ANSWER : ? YOUR ANSWER : ?
Data mining applications are used accomplish which of the following tasks? Do RFM analysis only Do both RFM and what-if analysis Do what-if analysis only Process transactions only TRUE ANSWER : ? YOUR ANSWER : ?
A data mart is a collection of data that, while smaller than a data warehouse, still addresses the entire business. True False TRUE ANSWER : ? YOUR ANSWER : ?
RFM analysis uses customer's purchasing patterns to ________ . analyze and rank customers predict future sales using regression techniques perform OLAP record transactions TRUE ANSWER : ? YOUR ANSWER : ?
BI reporting systems summarize the current status of business activities in order to predict future activities. True False TRUE ANSWER : ? YOUR ANSWER : ?