The reports generated by a reporting system are usually not delivered in which of the following media? Commercial courier service Web portal E-Mail Digital dashboard TRUE ANSWER : ? YOUR ANSWER : ?
In OLAP, we are interested in ________ . measures and dimensions measures only levels only dimensions only TRUE ANSWER : ? YOUR ANSWER : ?
The "curse of dimensionality" relates to which problem of using operational data for BI reporting? Too much data Dirty data Non-integrated data Inconsistent data TRUE ANSWER : ? YOUR ANSWER : ?
Which of the following is an unsupervised data mining technique? Cluster analysis only Both Regression Analysis and RFM Analysis Regression Analysis only RFM Analysis only 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. True False TRUE ANSWER : ? YOUR ANSWER : ?
Business Intelligence (BI) systems do not obtain their data by which of the following means? Process data purchased from data vendors Process transactions Process extracts from operational databases Read and process data from an operational database 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 ________ . lift confidence support the basic probability TRUE ANSWER : ? YOUR ANSWER : ?