DATABASE PROCESSING FOR BIS QUIZ

RFM analysis is a BI reporting system.

False

True

TRUE ANSWER : ?
YOUR ANSWER : ?

In unsupervised data mining, explanations are created after patterns are found.

True

False

TRUE ANSWER : ?
YOUR ANSWER : ?

Report types include static, dynamic, query and OLAP.

False

True

TRUE ANSWER : ?
YOUR ANSWER : ?

Which of the following is an unsupervised data mining technique?

Both Regression Analysis and RFM Analysis

Regression Analysis only

Cluster analysis only

RFM Analysis only

TRUE ANSWER : ?
YOUR ANSWER : ?

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

E-Mail

Web portal

Commercial courier service

Digital dashboard

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 ________ .

the basic probability

support

lift

confidence

TRUE ANSWER : ?
YOUR ANSWER : ?

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

both cluster analysis and regression analysis

cluster analysis only

regression analysis only

RFM analysis only

TRUE ANSWER : ?
YOUR ANSWER : ?

Data warehouse data are usually normalized.

False

True

TRUE ANSWER : ?
YOUR ANSWER : ?

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

Both of the above are correct.

Neither of the above is correct.

Process and record transactions only

Analyze past and current activities only

TRUE ANSWER : ?
YOUR ANSWER : ?

A BI reporting system does not ________ .

use statistical procedures to predict future events

create meaningful information

use disparate data sources

deliver information to users on a timely basis

TRUE ANSWER : ?
YOUR ANSWER : ?

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