Isds 402 Ch 8

Front 1

The "R" in RFM analysis stands for:

Back 1

recent.

Front 2

Business Intelligence (BI) systems obtain their data by which of the following means?

Back 2

All of these. (Read and process data from an operational database, Process data purchased from data vendors, Process extracts from operational databases, Both read and process data from an operational database and Process extracts from operational databases)

Front 3

RFM analysis analyzes and ranks customers based on:

Back 3

their purchasing patterns.

Front 4

Which of the following are true about data mining applications?

Back 4

Both they use sophisticated mathematical techniques and they use sophisticated statistical techniques.

Front 5

We have obtained access to the company's operational data. We examine 50 records for customers with phone numbers that should use the current area code of 345. Of these 50 records, we find 10 that still use an older area code of 567. This is an example of:

Back 5

inconsistent data.

Front 6

A data warehouse database differs from an operational database because:

Back 6

data warehouse data are often stored in a dimensional database.

Front 7

The term drill down means the user wants to:

Back 7

get more details.

Front 8

Market basket analysis is:

Back 8

a data mining technique.

Front 9

We have done an RFM analysis on our customer data. John Smith has a score of "5 1 1." This means that John:

Back 9

hasn't ordered recently, but orders a lot when he orders.

Front 10

The reports generated by a reporting system can be classified as:

Back 10

Both static and dynamic.

Front 11

Data mining techniques are used to find patterns and relationships that can be used to:

Back 11

Both classify and predict

Front 12

A BI reporting system:

Back 12

Both creates meaningful information from disparate data sources and delivers information to users on a timely basis.

Front 13

Business Intelligence (BI) systems fall into which of the following categories?

Back 13

Both Reporting and Data mining.

Front 14

We have obtained access to the company's operational data. In one record, we find that a customer's age has been record as "337". This is an example of:

Back 14

Dirty data.

Front 15

A report generated by a reporting system is delivered to the appropriate users via an electronic display customized for each user. This system uses which of the following media?

Back 15

Digital dashboard

Front 16

Business Intelligence (BI) systems do which of the following?

Back 16

Both analyze current and past activities and Predict future events

Front 17

A data mart differs from a data warehouse in that:

Back 17

All of these (data mart users do not have the data management expertise of data warehouse employees, it has a smaller database, and it deals with a particular component or functional area of the business,

Front 18

OLAP stands for:

Back 18

Online Analytical Processing

Front 19

Which of the following is a reason that operational data are difficult to read?

Back 19

All of these (Missing values, Dirty data, and Non-integrated data.)

Front 20

RFM scores commonly range from ___, with ___ being the "high" or "most desirable" score.

Back 20

1 to 5, 1

Front 21

Which of the following is a common unsupervised data mining technique?

Back 21

Cluster analysis

Front 22

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

Back 22

All of these (Perform what-if analysis, make predictions, and facilitate decision making).

Front 23

Which of the following is a common supervised data mining technique?

Back 23

Regression analysis

Front 24

Business Intelligence (BI) reporting systems can do which of the following operations?

Back 24

Both filter data and group data.

Front 25

One Business Intelligence (BI) reporting system that uses extensions to SQL is:

Back 25

OLAP.