Business Intelligence Midterm Review

One way an operational data store differs from a data warehouse is the recency of their data.

Statistics and data mining both look for data sets that are as large as possible.

Without middleware, different BI programs cannot easily connect to the data warehouse.

Business intelligence (BI) is a specific term that describes architectures and tools only.

In what decade did disjointed information systems begin to be integrated?

Data generation is a precursor, and is not included in the analytics ecosystem.

What does the robustness of a data mining method refer to?

Demands for instant, on-demand access to dispersed information decrease as firms integrate BI into their operations.

What is the main reason parallel processing is sometimes used for data mining?

Which of the following BEST enables a data warehouse to handle complex queries and scale up to handle many more requests

Which of the following is a data mining myth?

In data mining, classification models help in prediction.

Which of the following is LEAST related to data/information visualization?

BI applications must be integrated with

Identifying and preventing incorrect claim payments and fraudulent activities falls under which type of DM application?

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

Data is the contextualization of information, that is, information set in context.

Which type of question does visual analytics seeks to answer?

Visual analytics is aimed at answering, "What is happening?" and is usually associated with business analytics.

Oper marts are created when operational data needs to be analyzed

Which kind of DW is created separately from the enterprise data warehouse by a department and not reliant for updates?

  Relational databases began to be used in the

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

Which of the following activities permeates nearly all managerial activity?

Data source reliability means that data are correct and are a good match for the analytics problem.

Key performance indicators (KPIs) are metrics typically used to measure

Which kind of chart is described as an enhanced version of a scatter plot?

The hub-and-spoke data warehouse model uses a centralized warehouse feeding dependent data marts.

During the early days of analytics, data was often obtained from the domain experts to build mathematical models.

Which of the following is NOT an example of transaction processing?