WGU D204 Exam Bundle

List the Data Analytics Life Cycle phases. - Answer 1. Business understanding 2. Data acquisition 3. Data cleaning 4. Data exploration 5. Predictive modeling 6. Data mining 7. Reporting and visualization Describe the business understanding phase of the data analytics life cycle. - Answer Th...

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 th...

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?...

Identifying business needs - Answer 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 - Answer In which phase of the data analytics life c...

Business Understanding Phase - Answer aka - planning, discovery Scope project Identify stakeholders and research questions/KPIs Identify timeline, budget, and participants Data Acquisition Phase - Answer aka - Extraction, Data gathering, Data query, Data collection, ETL (extract, transfo...

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), me...

What are the 7 steps of the data analytics journey? - Answer Business Understanding (Discovery Phase) Data Acquisition (Data Collecting) Data Cleaning Data Exploration Predictive Modelling Data Mining Reporting & Visualization Define: discovery phase - Answer Analyst defines the major quest...

Business Understanding/ Discovery phase - Answer An analyst defines the major questions of interest that need to be answered, determines the needs of the stakeholders, and assesses the resource constraints of the project. Define project outcomes. Data Acquisition - Answer Collecting data phase. D...

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...

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 (...

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 analytic...

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 th...