WGU D204 Data Analytics Exam Questions and Answers 100% Pass

WGU D204 Data Analytics Exam Questions and Answers 100% Pass Lack of Organization and Lack of Sponsor Support - Answer- What are some of the main reasons that projects fail? Hacking Skills, Math and Statistics, and Domain Expertise - Answer- What is the Venn Diagram for Data Science? Discovery - Answer- Define Goals, Ask Questions, Develop a Problem Statement, Organize Resources Data Acquisition - Answer- Gather Data through API's, Open Data, Passive Data, and internal/external sources Data Exploration - Answer- Make Visualizations, Summaries, Re-categorize cases, combine variables, look at summary statistics, develop histograms Predictive Modeling Phase - Answer- Create statistical models and complete linear regression, decision trees, deep learning, machine learning, and neural networks Data Mining - Answer- Discover patterns in the data using automatic and manual methods, extraction of patterns and knowledge In House Data - Answer- Data that is already available for use Fast, minimum restrictions, might be able to talk to the people who created data set. - Answer- Pro's of using In-House Data Poor Documentation, Data may Not Exist - Answer- Con's of using In-House Data Open Data - Answer- Data that is free and open to use API - Answer- Way of sharing data, routes data, translates data, gets it ready for use. Algebra - Answer- Math that allows you to scale up and generalize data Linear Algebra - Answer- Math used for matrices and vectors Calculus - Answer- Math used to determine maximization and minimization Descriptive - Answer- What Happened? Predictive - Answer- What will happen? Prescriptive - Answer- Optimization, what is the best outcome possible? Descriptive - Answer- How many products were sold last quarter? Prescriptive - Answer- What do we need to do to increase sales by 20% next quarter? Predictive - Answer- What are the sales expected to be next