WGU D204

What are the 7 Phases of the Data Analytics Life Cycle? - 1. Business Understanding/Discovery Phase 2. Data Acquisition 3. Data Cleaning 4. Data Exploration 5. Predictive Modeling 6. Data Mining 7. Data Reporting Explain the Business Understanding & Discovery Phase - The analyst defines the question(s) of interest that need to be answered. The analyst will determine the needs of the stakeholders, assess resource constraints, and define project outcomes. Explain the Data Acquisition P...

Identifying business needs -----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 Data Exploration -----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 Exploratory data analysis -----An analyst applies a statistical formula to obtain the aver...

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WGU D204 Popular Exam Questions 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 -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 difficult C. Some cleaning techni...

WGU D204 Masters of Data Analytics: The Data Analytics Journey Data scientists are able to find ______, _________, and _____ in unstructured data. - order, meaning, and value What is involved in the planning phase? - 1. Defining goals 2. Organizing resources 3. Coordinate people 4. Schedule project What is involved in the wrangling phase? - 5. Get data 6. Clean data 7. Explore data 8. Refine data What is involved in the Modeling phase? - 9. Create model 10. Validate model 11. ...

WGU D204 Exam Study Guide What are the 7 steps of the data analytics journey? - Business Understanding (Discovery Phase) Data Acquisition (Data Collecting) Data Cleaning Data Exploration Predictive Modelling Data Mining Reporting & Visualization Define: discovery phase -Analyst defines the major questions of interest that need to be answered, needs of the stakeholders and assesses the resource constraints of the project Define: data acquisition (data collecting) -Frequently retrieved...

WGU D204 Exam Study Guide What are the 7 steps of the data analytics journey? - Business Understanding (Discovery Phase) Data Acquisition (Data Collecting) Data Cleaning Data Exploration Predictive Modelling Data Mining Reporting & Visualization Define: discovery phase -Analyst defines the major questions of interest that need to be answered, needs of the stakeholders and assesses the resource constraints of the project Define: data acquisition (data collecting) -Frequently retrieved...