WGU D204 Guías de estudio, Notas de estudios & Resúmenes

WGU D204 Data Analytics Journey (PLDC) Exam Questions and Answers 100% Pass Which activity does an analyst perform in the discovery phase of the data analytics life cycle? - Answer- Identifying business needs In which phase of the data analytics life cycle does an analyst build a histogram? - Answer- Data exploration An analyst applies a statistical formula to obtain the average temperature for a city over the last 50 years. Which phase of the data analytics life cycle is represented by t...

WGU D204 The Data Analytics Journey Exam Questions and Answers 100% Pass Analyses for Data Science: Descriptive: - Answer- Humans are good at finding patterns, but limited bandwidth - so we need to narrow the data. Look at the data. 1) Visualize the data - graphs, histograms, bell curve 2) Compute Univariate Descriptive Statistics: mean (average), mode (most common), median (splits into two equal halves). So ONE Value. 3) Measures of association: connection between the variables in your d...

WGU D204 Study Set Questions and Answers 100% Pass Which of these is NOT a topic of interest for Discovery/Planning/Business Understanding? A. Project Scope B. Identify stakeholders and research questions/KPIs C. Build a data pipeline (ETL) D. Identify timeline, budget, and participants - Answer- C What is a potential problem to consider in the planning phase? A. Lack of clear focus on stakeholders, timeline, limitations, and budget B. Quality and type of data may make access more diff...

WGU D204 Data Analytics Final Exam Questions and Answers 100% Pass The extensive use of data and advanced quantitative analysis to drive fact-based decision-making and actions - Answer- Analytics definition A collection of data sets that are so large or complex that it is impossible to analyze them with traditional databases and tools - Answer- Big data definition Terabytes, petabytes, zettabytes - Answer- Big data (volume) Unstructured - Answer- Big data (variety) Data in motion (stream...

D204 Preassessment Questions and Answers 100% Correct Which activity does an analyst perform in the discovery phase of the data analytics life cycle? a. Collecting Data b. Cleaning Data c. Identifying outliers d. Identifying business needs - Answer- Identifying business needs In which phase of the data analytics life cycle does an analyst build a histogram? a. Data acquisition b. Data exploration c. Discovery d. Predictive modeling - Answer- Data Exploration An analyst applies a sta...

WGU D204 - MW Data Analytics Life Cycle Exam Questions and Answers 100% Pass Many versions but one proposed in this class: 1) Business Understanding 2) Data Acquisition 3) Data Cleaning 4) Data Exploration 5) Predictive Modeling 6) Data Mining/Machine Learning 7) Reporting and Visualization and loop back at this point - Answer- What are the phases of the data analytics life cycle proposed by WGU? This phase is also known as the discovery phase. During this phase, an analyst defines ...

WGU D204 Masters of Data Analytics Journey Exam Questions and Answers 100% Pass Business Understanding (order) - Answer- 1st in Data Analytics Lifecycle Data Acquisition (order) - Answer- 2nd in Data Analytics Lifecycle Data Cleaning (order) - Answer- 3rd in Data Analytics Lifecycle Data Exploration (order) - Answer- 4th in Data Analytics Lifecycle Predictive Modeling (order) - Answer- 5th in Data Analytics Lifecycle Data Mining/Machine Learning (order) - Answer- 6th in Data Analytics Lif...

WGU D204 Data Analytics Journey Exam Questions and Answers 100% pass Data scientists are able to find ______, _________, and _____ in unstructured data. - Answer- order, meaning, and value What is involved in the planning phase? - Answer- 1. Defining goals 2. Organizing resources 3. Coordinate people 4. Schedule project What is involved in the wrangling phase? - Answer- 5. Get data 6. Clean data 7. Explore data 8. Refine data What is involved in the Modeling phase? - Answer- 9. Creat...

WGU D204 - MW Data Analytics Tools and Techniques Exam Questions and Answers 100% Pass What are the defining characteristics of open data? - Answer- data that is free to use with no cost and no restrictions What is the principle of informed consent in research? - Answer- Potential research participants have to be given enough information about the goals, methods, and applications of the research project so they can decide whether they want to participate. Self-generated data refers to wha...

WGU D204 Data Analytics Journey Exam Questions and Answers 100% Pass Data preparation Time - Answer- data preparation 80%, and everything else falls into about 20% GIGO - Answer- garbage in, garbage out. That's a truism from computer science. The information you're going to get from your analysis is only as good as the information that you put into it Upside to In-house data - Answer- It's the fastest way to start., you may actually be able to talk with the people who gathered the dat...