Database Processing for BIS BI reporting systems summarize the current status of business activities in order to predict future activities. True False True False ANSWER DOWNLOAD EXAMIANS APP
Database Processing for BIS The "curse of dimensionality" relates to which problem of using operational data for BI reporting? Too much data Inconsistent data Non-integrated data Dirty data Too much data Inconsistent data Non-integrated data Dirty data ANSWER DOWNLOAD EXAMIANS APP
Database Processing for BIS RFM analysis uses customer's purchasing patterns to ________ . predict future sales using regression techniques perform OLAP record transactions analyze and rank customers predict future sales using regression techniques perform OLAP record transactions analyze and rank customers 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 Data mining applications are used accomplish which of the following tasks? Do RFM analysis only Process transactions only Do both RFM and what-if analysis Do what-if analysis only Do RFM analysis only Process transactions only Do both RFM and what-if analysis Do what-if analysis only ANSWER DOWNLOAD EXAMIANS APP
Database Processing for BIS Which of the following is not a reason that operational data are difficult to read? Missing values Non-integrated data Non-duplicated data Dirty data Missing values Non-integrated data Non-duplicated data Dirty data ANSWER DOWNLOAD EXAMIANS APP
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