In OLAP, we are interested in ________ . measures only dimensions only measures and dimensions levels only TRUE ANSWER : ? YOUR ANSWER : ?
The "F" in RFM analysis stands for ________ . fast food freshness frequently fantasy TRUE ANSWER : ? YOUR ANSWER : ?
Which of the following is not a reason that operational data are difficult to read? Dirty data Missing values Non-integrated data Non-duplicated data TRUE ANSWER : ? YOUR ANSWER : ?
RFM analysis uses customer's purchasing patterns to ________ . perform OLAP record transactions analyze and rank customers predict future sales using regression techniques 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 the basic probability support lift TRUE ANSWER : ? YOUR ANSWER : ?
Business Intelligence (BI) systems fall into two broad categories: reporting and data warehousing. False True TRUE ANSWER : ? YOUR ANSWER : ?
A report generated by a reporting system is delivered to the appropriate users via a user-accessed Web site. This system uses which of the following report modes? RFM Pull Push OLAP TRUE ANSWER : ? YOUR ANSWER : ?
Data mining applications are used accomplish which of the following tasks? Do what-if analysis only Process transactions only Do both RFM and what-if analysis Do RFM analysis only TRUE ANSWER : ? YOUR ANSWER : ?
Market basket analysis primarily uses the technique of conditional probabilities. True False TRUE ANSWER : ? YOUR ANSWER : ?