Exam 8: Understanding Big Data and Its Impact on Business

Data visualization tools move beyond Excel graphs and charts into sophisticated analysis techniques such as pie charts, controls, instruments, maps, time-series graphs, and more.

Forecasts are predictions based on time-series information.

What is a data value that is numerically distant from most of the other data points in a set of data?

What is a statistical process for estimating the relationships among variables?

Clustering segments a heterogeneous population of more homogeneous subgroups.

Big data is a collection of large, complex data sets, including structured and unstructured data, that cannot be analyzed using traditional database methods and tools.

What is web analytics?

Classification organizes data or information into predefined groups.

Speech analytics is heavily used in the customer service department to help improve processes by identifying angry customers and routing them to the appropriate customer service representative.

What are predictions based on time-series information?

What is another term for data that does not exist in a fixed location?

In terms of big data, what includes the analysis of streaming data as it travels around the Internet?

Which of the following reveals the relationship between variables along with the nature and frequency of the relationship?

Velocity includes the analysis of streaming data as it travels around the Internet.

Which of the following reveals the relationship between variables along with the nature and frequency of the relationship?

In terms of big data, what includes the scale of data?

Estimation analysis determines which things go together.

What is a business analytics specialist who uses visual tools to help people understand complex data?

What are forecasts?

What describes technologies that allow users to "see" or visualize data to transform information into a business perspective?