ISDS 415 Chs. 3-4

All of the following statements about data mining are true EXCEPT a. the process aspect means that data mining should be a one-step process to results. b. the potentially useful aspect means that results should lead to some business benefit. c. the valid aspect means that the discovered patterns should hold true on new data. d. the novel aspect means that previously unknown patterns are discovered.

A

Benefits of the latest visual analytics tools, such as SAS Visual Analytics, include all of the following EXCEPT a. they explore massive amounts of data in hours, not days. b. mobile platforms such as the iPhone are supported by these products. c. there is less demand on IT departments for reports. d. it is easier to spot useful patterns and trends in the data.

A

If using a mining analogy, "knowledge mining" would be a more appropriate term than "data mining." A. True B. False

A

In data mining, classification models help in prediction. A. True B. False

A

Interval data is a type of numerical data. A. True B. False

A

The cost of data storage has plummeted recently, making data mining feasible for more firms. A. True B. False

A

Using data mining on data about imports and exports can help to detect tax avoidance and money laundering. A. True B. False

A

What is the main reason parallel processing is sometimes used for data mining? a. because of the massive data amounts and search efforts involved b. because any strategic application requires parallel processing c. because the most of the algorithms used for data mining require it d. because the hardware exists in most organizations and it is available to use

A

Why is the customer perspective important in the balanced scorecard methodology? a. because dissatisfied customers will eventually hurt the bottom line b. because customers should always be included in any design methodology c. because companies need customer input into the design of the balanced scorecard d. because customers understand best how the firm's internal processes should work

A

Data mining can be very useful in detecting patterns such as credit card fraud, but is of little help in improving sales. A. True B. False

B

Data mining requires specialized data analysts to ask ad hoc questions and obtain answers quickly from the system. A. True B. False

B

In the Cabela's case study, the SAS/Teradata solution enabled the direct marketer to better identify likely customers and market to them based mostly on external data sources. A. True B. False

B

In the Cabela's case study, what types of models helped the company understand the value of customers, using a five-point scale? a. reporting and association models b. clustering and association models c. simulation and geographical models d. simulation and regression models

B

In the Memphis Police Department case study, predictive analytics helped to identify the best schedule for officers in order to pay the least overtime. A. True B. False

B

Ratio data is a type of categorical data. A. True B. False

B

Statistics and data mining both look for data sets that are as large as possible. A. True B. False

B

The entire focus of the predictive analytics system in the Infinity P&C case was on detecting and handling fraudulent claims for the company's benefit. A. True B. False

B

________ charts are useful in displaying nominal data or numerical data that splits nicely into different categories so you can quickly see comparative results and trends.

Bar

Understanding customers better has helped Amazon and others become more successful. The understanding comes primarily from Select one: a. collecting data about customers and transactions. b. developing a philosophy that is data analytics-centric. c. analyzing the vast data amounts routinely collected. d. asking the customers what they want.

C

_________ are typically used together with other charts and graphs, as opposed to by themselves, and show postal codes, country names, etc.

Maps

________ management reports are used to manage business performance through outcome-oriented metrics in many organizations.

Metric

_______ charts or network diagrams show precedence relationships among the project activities/tasks.

PERT

Travel and Transport created an online BI self-service system that allowed ________ to access information directly.

clients

Knowledge extraction, pattern analysis, data archaeology, information harvesting, pattern searching, and data dredging are all alternative names for _________.

data mining

Data preparation, the third step in the CRISP-DM data mining process, is more commonly known as __________.

data preprocessing

Data are often buried deep within very large __________, which sometimes contain data from several years.

databases

Visual analytics is widely regarded as the combination of visualization and _________ analytics.

predictive

In the Memphis Police Department case study, shortly after all precincts embraced Blue CRUSH, _________ became one of the most potent weapons in the Memphis police department's crime-fighting arsenal.

predictive analytics

Dashboards present visual displays of important information that are consolidated and arranged on a single ________.

screen

In the Blastrac case study, Tableau analytics software was used to replace massive __________ that were loaded with data from multiple ERP systems.

spreadsheets

Typical charts, graphs, and other visual elements used in visualization-based applications usually involve _______ dimensions.

two

In the Saudi Telecom company case study, information ___________ software allowed managers to see trends and correct issues before they became problems.

visualization

The Internet emerged as a new medium for visualization and brought all the following EXCEPT a. worldwide digital distribution of visualization. b. immersive environments for consuming data. c. new graphics displays through PC displays. d. new forms of computation of business logic.

D

Which type of visualization tool can be very helpful when the intention is to show relative proportions of dollars per department allocated by a university administration? a. heat map b. bubble chart c. bullet d. pie chart

D

Why is a performance management system superior to a performance measurement system? a. because performance measurement systems are only in their infancy b. because measurement automatically leads to problem solution c. because performance management systems cost more d. because measurement alone has little use without action

D