WGU C954 V8 Ch 6 Exam Questions With 100% Correct Answers | Updated 2026

WGU C954 V8 Ch 6 Exam Questions With 100% Correct Answers | Updated 2026 analytics - answer-The extensive use of data and quantitative analysis to support fact-based decision making within organizations. association analysis - answer-The use of a specialized set of algorithms to sort through data and form statistical rules about relationships among the items. What is big data? - answer-The term used to describe data collections that are so enormous and complex that traditional data management software cannot handle them. What are traditional data management tools unable to deal with? - answer-Big data collections that are enormous and complex. What does business intelligence (BI) refer to? - answer-A wide range of applications, practices, and technologies for data management. What is one purpose of business intelligence (BI)? - answer-To support improved decision making. What processes are involved in business intelligence (BI)? - answer-Extraction, transformation, integration, organization, analysis, visualization, and interpretation of data. case-based reasoning - answer-A process that uses historical if-then-else cases to recognize patterns. BACKcentral tendency - answer-Measures that identify the typical values in a distribution. correlation - answer-The extent to which variables are related. Cross-Industry Process for Data Mining (CRISP-DM) - answer-A six-phase structured approach for the planning and execution of a data-mining project. dashboard - answer-An interactive tool designed to monitor, analyze, and display data. What is a data lake? - answer-A 'store everything' approach to big data. How does a data lake store data? - answer-It saves all the data in its raw and unaltered form. What is a data mart? - answer-A subset of a data warehouse. Who typically uses a data mart? - answer-Small- and medium-sized businesses and departments within large companies. What is the purpose of a data mart? - answer-To support decision making. What is data mining? - answer-The exploration of large amounts of data to identify hidden patterns. What is the purpose of data mining? - answer-To predict future trends and behaviors for use in decision making. data visualization - answer-The presentation of data in a pictorial or graphical format.What is a data warehouse? - answer-A large database that holds business information from many sources in the enterprise. What types of information does a data warehouse cover? - answer-It covers all aspects of the company's processes, products, and customers. decision tree - answer-An algorithm used to create and visualize classification and regression modeling tasks. dependent variable - answer-A variable that has some dependence on another variable. descriptive analytics - answer-The analysis of historical data to describe what happened. descriptive statistics - answer-Measures that describe the characteristics of quantitative data. diagnostic analytics - answer-The analysis of data to determine why an event or outcome happened. distribution - answer-The possible values and the frequency of occurrence of the values in a set of data. What does ETL stand for in data processing? - answer-Extract, Transform, Load What is the purpose of the extract step in the ETL process? - answer-To take data from a variety of sources. What happens during the transform step of the ETL process? - answer-Data is transformed into the format for analysis.What is the final step of the ETL process? - answer-Load the transformed data into a data container. feature - answer-An independent variable. What is a genetic algorithm? - answer-A technique that employs a natural selection-like process. What problems do genetic algorithms aim to solve? - answer-Optimization and search problems. What is Hadoop? - answer-An open-source software framework. What does Hadoop provide? - answer-A means for storing and processing extremely large data sets. hypothesis - answer-A proposed explanation that serves as a starting point for additional analysis. independent variable - answer-A variable that doesn't have to depend on another variable. in-memory database (IMDB) - answer-A database management system that stores the entire database in random access memory (RAM). key performance indicator (KPI) - answer-A quantifiable measure indicating progress in meeting a strategic goal.