Database Processing for BIS Business Intelligence (BI) systems do not obtain their data by which of the following means? Process extracts from operational databases Read and process data from an operational database Process transactions Process data purchased from data vendors Process extracts from operational databases Read and process data from an operational database Process transactions Process data purchased from data vendors ANSWER DOWNLOAD EXAMIANS APP
Database Processing for BIS In a common form of RFM analysis, customers are sorted in five groups and given a score of 1 to 5 depending on their group. False True False True ANSWER DOWNLOAD EXAMIANS APP
Database Processing for BIS The "curse of dimensionality" relates to which problem of using operational data for BI reporting? Inconsistent data Non-integrated data Too much data Dirty data Inconsistent data Non-integrated data Too much data Dirty data ANSWER DOWNLOAD EXAMIANS APP
Database Processing for BIS Business Intelligence (BI) reporting systems cannot do which of the following operations? Group data Modify data Filter data Both filter and group data Group data Modify data Filter data Both filter and group data ANSWER DOWNLOAD EXAMIANS APP
Database Processing for BIS 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 confidence the basic probability support lift ANSWER DOWNLOAD EXAMIANS APP
Database Processing for BIS Which of the following is an unsupervised data mining technique? Regression Analysis only Both Regression Analysis and RFM Analysis Cluster analysis only RFM Analysis only Regression Analysis only Both Regression Analysis and RFM Analysis Cluster analysis only RFM Analysis only ANSWER DOWNLOAD EXAMIANS APP
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