WGU D491 INTRODUCTION TO ANALYTICS OA EXAM AND
STUDY GUIDE NEWEST 2025-2026 ACTUAL EXAM 250
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What is the primary purpose of the model planning phase in the data analytics process?
- Identifying methods and aligning techniques with objectives
- Transforming data to bring information to the surface
- Cleaning and conditioning data for analysis
- Assessing resources and framing the business problem - answer-Identifying methods and aligning
techniques with objectives
Which activities should be the focus of the model planning phase?
- Transforming data to bring information to the surface
- Visualizing and exploring data patterns
,-
- Cleaning and conditioning data for analysis
- Partitioning the data into training, validation, and test sets - answer-Partitioning the data into training,
validation, and test sets
During the data modeling phase, partitioning the dataset into training, validation, and test sets is a
crucial activity to build and assess the predictive model's performance.
Which tool is commonly used during the model planning phase?
KNIME
OpenRefine
Hadoop
Data Wrangler - answer-KNIME
KNIME is an open-source data analytics platform for visually creating data workflows.
What component of a data analytics project is typically completed by a data analyst?
- To collect and store data for the organization
- To make decisions based on the insights derived from data analysis
- To clean and preprocess data to prepare it for analysis
- To design and implement machine learning algorithms - answer-To clean and preprocess data to
prepare it for analysis
Which task is the data analyst responsible for within a data analysis project?
- Developing and implementing software applications
- Conducting statistical analyses and generating reports
- Creating the project's overall goals and objectives
- Collecting, cleaning, and loading customer data into a data warehouse - answer-Conducting statistical
analyses and generating reports
Which data migration skill is necessary for database administrators?
- Ensuring that the database remains secure
- Developing and implementing database software
,-
- Transferring data between different systems or formats
- Troubleshooting network issues within the system - answer-Transferring data between different
systems or formats
, Which job skill is necessary for a researcher in a data analytics project?
- Analyzing and interpreting data to inform questions
- Designing and implementing data storage solutions
- Identifying business needs and requirements
- Ensuring data privacy and security - answer-Analyzing and interpreting data to inform questions
What are the necessary skills for partners in a data analytics project?
- Machine learning algorithm development
- Data visualization and dashboard development
- Cloud infrastructure management and automation
- Business domain knowledge and communication - answer-Business domain knowledge and
communication
Which groups make up the key stakeholders in a data analytics project?
- Shareholders and investors
- Project team members and senior management
- Competitors and regulatory agencies
- Manufacturers and suppliers - answer-Project team members and senior management
What role do stakeholders play in the project cycle?
- Create the project plan and schedule
- Define the project scope and objectives
- Execute the project tasks
- Provide guidance and feedback throughout the project - answer-Provide guidance and feedback
throughout the project
Which stakeholder should conduct literature reviews for a data analytics project?