Wgu D491 Introduction To Analytics Exam

WGU D491 Introduction to Analytics exam 2024-2025 Which skills are required by data scientists for converting unstructured data to structured data in data analytics projects? Data visualization skills Data wrangling skills Text mining skills Machine learning skills - answer>>Data Wrangling Skills 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. A healthcare company wants to predict which patients are at risk of developing a certain medical condition. Which model is commonly used for this type of analysis? Decision tree Association rules K-means clustering Logistic regression - answer>>Logistic regression In which phase of the data mining process does the data science team investigate the problem, develop context and understanding, learn about available data sources, and formulate initial hypotheses?(1 Point) Model execution Data preparationModel planning Discovery - answer>>Discovery What is the primary purpose of the discovery phase in the data science process? To develop interactive visualizations for stakeholder presentations To evaluate and optimize data-driven predictive models To clean and preprocess the data for analysis To understand the business problem and develop initial hypotheses - answer>>To understand the business problem and develop initial