WGU D491 INTRODUTION TO ANALYTICS AND PRACTICE EXAM (TEST BANK) WITH CORRECT Qs and As FROM EXPERT What are the different types of data analytics projects? - Data warehousing, data mining, data visualization, and business intelligence - Regression ana

WGU D491 INTRODUTION TO ANALYTICS AND PRACTICE EXAM (TEST BANK) WITH CORRECT Qs and As FROM EXPERT What are the different types of data analytics projects? - Data warehousing, data mining, data visualization, and business intelligence - Regression analysis, time series analysis, text analytics, and network analysis - Data collection, data cleaning, data transformation, and data visualization - Descriptive, diagnostic, predictive, and prescriptive analytics ANSWER-Descriptive, diagnostic, predictive, and prescriptive analytics What is the difference between exploratory and confirmatory data analytics projects? - Exploratory projects involve testing hypotheses and finding patterns in data, while confirmatory projects involve verifying existing hypotheses. - Exploratory projects involve analyzing data that is already structured, while confirmatory projects involve analyzing unstructured data. - Exploratory projects involve analyzing large datasets, while confirmatory projects involve analyzing smaller datasets. - Exploratory projects involve analyzing data from a single source, while confirmatory projects involve integrating data from multiple sources. ANSWER-Exploratory projects involve testing hypotheses and finding patterns in data, while confirmatory projects involve verifying existing hypotheses. NOT CORRECT Which project is considered a data analytics project? - Developing a recommendation system to suggest new products to customers based on their past purchases - Creating a dashboard to visualize sales data and monitor inventory levels for a grocery store chain - Building a predictive model to forecast stock prices for a financial services company - Designing a database schema to store customer information for a retail store ANSWER-Creating a dashboard to visualize sales data and monitor inventory levels for a grocery store chain Why is quality control/assurance crucial for data engineers in a data analytics project? - It ensures that the data is analyzed in a timely manner. - It ensures that the data is stored in a secure location. - It ensures that the data is accurate and reliable. - It ensures that the data is accessible to all stakeholders. ANSWER-It ensures that the data is accurate and reliable. What does a data analyst do in a data analytics project? - Conducts exploratory data analysis to identify trends and patterns - Focuses on building machine learning models - Oversees data governance and data quality assurance - Designs and develops databases and data pipelines ANSWER-Conducts exploratory data analysis to identify trends and patterns What is the function of a data scientist in an organization? - To design and maintain data visualizations and dashboards - To oversee data governance and compliance - To work independently to analyze data and make decisions based on their findings - To conduct statistical analysis and machine learning modeling ANSWER-To conduct statistical analysis and machine learning modeling What is the role of a business intelligence analyst? - Overseeing data governance and compliance - Developing and implementing data processing pipelines - Designing and maintaining data visualizations and dashboards - Conducting statistical analysis and machine learning modeling ANSWER-Designing and maintaining data visualizations and dashboards What is a primary responsibility of a data engineer? - Designing and implementing data storage solutions - Designing and developing data visualizations for stakeholders - Analyzing and interpreting data to inform business decisions - Developing predictive models using machine learning algorithms ANSWER-Designing and implementing data storage solutions What is a primary responsibility of a machine learning engineer? - Developing predictive models using machine learning algorithms - Analyzing and interpreting data to inform business decisions - Designing and developing data visualizations for stakeholders - Designing and implementing data storage solutions ANSWER-Developing predictive models using machine learning algorithms What is a primary responsibility of a machine learning engineer? - To pilot the model, refine it, and fully deploy it - Designing and maintaining data visualizations and dashboards - Developing predictive models using machine learning algorithms - Business domain knowledge and communication ANSWER-Developing predictive models using machine learning algorithms What is the role and function of a decision scientist within an organization? - To oversee the company's human resources and ensure employee satisfaction - To analyze data and provide insights to support informed decision-making - To develop marketing strategies and increase sales revenue - To manage the company's finances and ensure profitability ANSWER-To analyze data and provide insights to support informed decision-making What is a primary responsibility of a data analyst? - Developing data visualizations for stakeholders - Designing and implementing data storage solutions - Conducting statistical analysis to identify patterns and trends - Developing predictive models using machine learning algorithms ANSWER-Conducting statistical analysis to identify patterns and trends 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