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 : ?
One popular classification technique in Business Intelligence (BI) reporting is ________ . RFM analysis only both cluster analysis and regression analysis regression analysis only cluster analysis only 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 ________ . Has ordered recently, orders frequently, but doesn't place a large order when she orders 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. TRUE ANSWER : ? YOUR ANSWER : ?
Business Intelligence (BI) reporting systems are used to make sophisticated mathematical and statistical calculations in order to prepare reports based on the data. False True TRUE ANSWER : ? YOUR ANSWER : ?
In unsupervised data mining, explanations are created after patterns are found. True False TRUE ANSWER : ? YOUR ANSWER : ?
Which of the following is an unsupervised data mining technique? Both Regression Analysis and RFM Analysis Regression Analysis only RFM Analysis only Cluster analysis only TRUE ANSWER : ? YOUR ANSWER : ?
Which of the following is not a reason that operational data are difficult to read? Non-integrated data Non-duplicated data Missing values Dirty data TRUE ANSWER : ? YOUR ANSWER : ?
Business Intelligence (BI) systems do not obtain data from operational databases. 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? Push OLAP RFM Pull TRUE ANSWER : ? YOUR ANSWER : ?
RFM analysis uses customer's purchasing patterns to ________ . predict future sales using regression techniques analyze and rank customers record transactions perform OLAP TRUE ANSWER : ? YOUR ANSWER : ?