DATABASE PROCESSING FOR BIS QUIZ

RFM analysis uses customer's purchasing patterns to ________ .

analyze and rank customers

predict future sales using regression techniques

perform OLAP

record transactions

TRUE ANSWER : ?
YOUR ANSWER : ?

Data warehouse data are usually normalized.

False

True

TRUE ANSWER : ?
YOUR ANSWER : ?

A BI reporting system does not ________ .

use disparate data sources

use statistical procedures to predict future events

create meaningful information

deliver information to users on a timely basis

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 : ?

Data Mining uses simple arithmetic techniques such as sums, averages, and groupings to perform what-if analyses, to make predictions, and to facilitate decision making.

True

False

TRUE ANSWER : ?
YOUR ANSWER : ?

Most operational databases can be used for many BI applications.

True

False

TRUE ANSWER : ?
YOUR ANSWER : ?

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

TRUE ANSWER : ?
YOUR ANSWER : ?

Business Intelligence (BI) systems do not obtain their data by which of the following means?

Process transactions

Read and process data from an operational database

Process data purchased from data vendors

Process extracts from operational databases

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.

True

False

TRUE ANSWER : ?
YOUR ANSWER : ?

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