Business Intelligence (BI) systems fall into two broad categories: reporting and data warehousing. True False TRUE ANSWER : ? YOUR ANSWER : ?
A data mart is a collection of data that, while smaller than a data warehouse, still addresses the entire business. False True TRUE ANSWER : ? YOUR ANSWER : ?
We have Market Basket data for 1,000 rental transactions at a Video Store. There are four videos for rent -- Video A, Video B, Video C and Video D. The probability that Video D will be rented given that Video C has been rented is known as ________ . support confidence the basic probability lift TRUE ANSWER : ? YOUR ANSWER : ?
One popular classification technique in Business Intelligence (BI) reporting is ________ . both cluster analysis and regression analysis regression analysis only RFM analysis only cluster analysis only TRUE ANSWER : ? YOUR ANSWER : ?
Most operational databases can be used for many BI applications. False True 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 : ?
We have done an RFM analysis on our customer data. Mary Jones has a score of "1 1 5". This series means that Mary ________ . Hasn't ordered recently, orders infrequently, and doesn't place a large order when she orders. Has ordered recently, orders frequently, and places a large order when she orders. Hasn't ordered recently, orders infrequently, but places a large order when she orders. Has ordered recently, orders frequently, but doesn't place a large order when she orders TRUE ANSWER : ? YOUR ANSWER : ?
The "curse of dimensionality" relates to which problem of using operational data for BI reporting? Inconsistent data Too much data Dirty data Non-integrated data TRUE ANSWER : ? YOUR ANSWER : ?