Q.1
Formatting the report is part of authoring a report.
Q.2
Market basket analysis primarily uses the technique of conditional probabilities.
Q.3
A data mart is a collection of data that, while smaller than a data warehouse, still addresses the entire business.
Q.4
OnLine Analytical Processing (OLAP) is a BI reporting system.
Q.5
Data warehouse data are usually normalized.
Q.6
In unsupervised data mining, explanations are created after patterns are found.
Q.7
The delivery function of a report management system allows reports to be delivered via e-mail, via the Web, via XML Web services, via hand delivery and other delivery means.
Q.8
BI reporting systems summarize the current status of business activities in order to predict future activities.
Q.9
The data warehouse DBMS needs to be the same DBMS used for the operational database.
Q.10
RFM analysis is a BI reporting system.
Q.11
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.
Q.12
Business Intelligence (BI) reporting systems are used to make sophisticated mathematical and statistical calculations in order to prepare reports based on the data.
Q.13
The term neural networks as used in data mining is a misnomer.
Q.14
Report types include static, dynamic, query and OLAP.
Q.15
OLAP uses measures, dimensions and associations.
Q.16
Business Intelligence (BI) systems do not obtain data from operational databases.
Q.17
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.
Q.18
In OLAP, we are interested in ________ .
Q.19
Which of the following is not a reason that operational data are difficult to read?
Q.20
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 ________ .
0 h : 0 m : 1 s