WGU D491 Introduction to Analytics Midterm Assessment Review 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 - -Data wrangling skills Which skill must a business intelligence analyst possess to collect and organize data? Data preparation Data visualization Data modeling Machine learning - -Data preparation Which project-related activity typically takes up the majority of a data analyst's time? Data preparation Data interpretation Conducting A/B testing Building models - -Data preparation What is a skill required of a data engineer? Creating data visualizations Maintaining databases Training machine learning models Writing programs that perform data analysis - -Maintaining databases Which software do business intelligence analysts use to perform their responsibilities? Microsoft Excel R Python Minitab - -Microsoft Excel Which role is responsible for project initiation and providing the requirements for a project? WGU D491 WGU D491 Business intelligence analyst Project sponsor Business user Data scientist - -Project sponsor Which job position is primarily responsible for designing and constructing data pipelines within the field of data analytics? Data analyst Data scientist Data administrator Data engineer - -Data engineer Which role in a data analytics project helps data scientists shape data for analysis? Project sponsor Data engineer Business intelligence analyst Database administrator - -Data engineer Which role in a data analytics project provides expertise for analytical techniques? Data engineer Business intelligence analyst Data scientist Database administrator - -Data scientist Which group of stakeholders comprises the professionals, such as line managers? Database administrators Data engineers Project sponsors Business users - -Business users Which stakeholder is primarily responsible for ensuring the desired quality of the project? Business intelligence analysts Business users Project managers Project sponsors - -Project managers Which stakeholder has access to essential tables or storage systems and guarantees the highest levels of security in the data repository? WGU D491 WGU D491 WGU D491 Data analyst Data engineer Data scientist Database administrator - -Database administrator Why is it significant to establish failure criteria for a data analytics project in the discovery phase? It ensures that the project team will reach its goals. It helps the team determine when it is best to accept the conclusions. It provides a best-case scenario approach. It guides the team in identifying the main objectives of the project. - -It helps the team determine when it is best to accept the conclusions Which stakeholder extracts and transforms data during the discovery phase? Data engineer Data scientist Database administrator Business intelligence analyst - -Data engineer A person has been assigned to manage a project to implement a company-wide customer relationship management (CRM) system. The CRM system aims to centralize customer details, automate sales processes, and improve customer service.What skills are crucial for the project team members working on the CRM system implementation? Data analysis, system integration, and training Graphic design, social media marketing, and content creation Financial forecasting, budgeting, and cost analysis Network troubleshooting, hardware maintenance, and software installation - -Data analysis, system integration, and training Why is formulating an initial hypothesis an integral part of the discovery phase of the data analytics lifecycle? It guarantees accurate predictions and outcomes from the data. It guides the subsequent data collection, processing, and analysis activities. It guarantees that the final results will support the initial hypothesis. It allows the team to use specific algorithms for analysis. - -It guides the subsequent data collection, processing, and analysis activities. Who should be included as stakeholders in an analytics project? Anyone who will benefit from the project WGU D491 Anyone who has relevant skills Anyone who is available to participate Anyone who is a manager in the organization - -Anyone who will benefit from the project Who offers suggestions on ideas to test as the team formulates hypotheses during the discovery phase of a data analytics project? Data scientists Data visualization specialists Project managers Marketing experts - -Data scientists Which activity occurs during the data preparation phase of the data analytics lifecycle? Discovery of data Modeling of data Collection of data Understanding of data - -Understanding of data Which data visualization is most suitable for understanding the trend and progression of a variable over time in the data preparation phase? Histograms Scatter plots Box plots Line charts - -Line charts Which task is commonly performed to identify and address data quality issues during the data preparation phase? Performing data deduplication Developing data visualization Conducting data profiling Executing data integration - -Conducting data profiling Which common data cleaning task is used to address the missing data in a data set? Normalization Handling outliers Data transformation Imputation - -Imputation Which task is typically performed to handle outliers during the data preparation phase? Normalization