DATABASE PROCESSING FOR BIS QUIZ

Market basket analysis primarily uses the technique of conditional probabilities.

False

True

TRUE ANSWER : ?
YOUR ANSWER : ?

RFM analysis is a BI reporting system.

False

True

TRUE ANSWER : ?
YOUR ANSWER : ?

Which of the following are not done by Business Intelligence (BI) systems?

Neither of the above is correct.

Analyze past and current activities only

Both of the above are correct.

Process and record transactions only

TRUE ANSWER : ?
YOUR ANSWER : ?

In OLAP, we are interested in ________ .

levels only

measures only

dimensions only

measures and dimensions

TRUE ANSWER : ?
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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 ________ .

lift

confidence

the basic probability

support

TRUE ANSWER : ?
YOUR ANSWER : ?

A data warehouse is a database system that is optimized for operational transaction processing.

False

True

TRUE ANSWER : ?
YOUR ANSWER : ?

One popular classification technique in Business Intelligence (BI) reporting is ________ .

regression analysis only

cluster analysis only

both cluster analysis and regression analysis

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 : ?

Data mining applications are used accomplish which of the following tasks?

Process transactions only

Do both RFM and what-if analysis

Do RFM analysis only

Do what-if analysis only

TRUE ANSWER : ?
YOUR ANSWER : ?

The reports generated by a reporting system are usually not delivered in which of the following media?

Commercial courier service

E-Mail

Web portal

Digital dashboard

TRUE ANSWER : ?
YOUR ANSWER : ?

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