Question 1 of 25
Hints left: 3
Q1
In unsupervised data mining, explanations are created after patterns are found.
Q2
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.
Q3
OLAP uses measures, dimensions and associations.
Q4
A data mart is a collection of data that, while smaller than a data warehouse, still addresses the entire business.
Q5
OnLine Analytical Processing (OLAP) is a BI reporting system.
Q6
Market basket analysis primarily uses the technique of conditional probabilities.
Q7
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.
Q8
Business Intelligence (BI) reporting systems are used to make sophisticated mathematical and statistical calculations in order to prepare reports based on the data.
Q9
Which is not a type of data management technology?
Q10
Which of the following database activities allow for the actual retrieval and use of a database?
Q11
Data warehouse data are usually normalized.
Q12
Which is not a relevant feature of CASE tools?
Q13
Business Intelligence (BI) systems fall into two broad categories: reporting and data warehousing.
Q14
The data warehouse DBMS needs to be the same DBMS used for the operational database.
Q15
RFM analysis is a BI reporting system.
Q16
The term neural networks as used in data mining is a misnomer.
Q17
Report types include static, dynamic, query and OLAP.
Q18
The three-schema components include all, but:
Q19
A data warehouse is a database system that is optimized for operational transaction processing.
Q20
We have done an RFM analysis on our customer data. Mary Jones has a score of "1 1 5". This series means that Mary ________ .
Q21
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.
Q22
Business Intelligence (BI) systems do not obtain data from operational databases.
Q23
BI reporting systems summarize the current status of business activities in order to predict future activities.
Q24
Most operational databases can be used for many BI applications.
Q25
Formatting the report is part of authoring a report.