WGU D204 Exam bundle 100 % correct 2023

Which type of stakeholder mapping technique would best be used for managing change and communication? - ANSWER-Direction of influence. This technique groups stakeholders by their direction of influence, and can be particularly helpful for managing change and communications What do vertical lines ...

Data Acquisition - ANSWER-Collecting data phase. Data is collected and stored, for easy retrieval from a database, perhaps a component of a data warehouse, by using a language like SQL. Web scraping and surveys to acquire data. Data Cleaning - ANSWER-Also known as data cleansing, data wrangling, ...

A data set has K variables, and the classifying method has the following steps: compare levels on nearby data, assign a new case to a category of nearby beta, locate the case in a k-dimensional space, in which order should the steps be applied a. Assign compare locate b. Compare assign locate c....

Data Acquisition Phase - ANSWER-aka - Extraction, Data gathering, Data query, Data collection, ETL (extract, transform, load), Web scrapping Gather/collect data from a variety of sources Provide structure to data accessible via RDBMS (SQL) Build data pipeline use of API to DL data from e...

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...

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...

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...

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...

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 Statem...

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...

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...