Data Analytics Course Exam Questions With Fully Verified Answers

Data Analytics Course Exam Questions With Fully Verified Answers Data Analysis Process - answerAsk, Prepare, Process, Analyze, Share, Act Knowing how to analyze the data you've collected and cleaned is essential to your work as an analyst. - answer You have reached a stage where you are ready to work directly with data. You will organize and format data. This will help you think about data in different ways. Similar to how the view from a hiker's lookout is amazing, your view of data from this point on will be spectacular. - answer Organizing data to begin analysis - answerOrganizing data makes the data easier to use in an analysis. In this part of the course, you will learn the importance of organizing your data with sorting and filtering. You will explore organizing data in both spreadsheets and with SQL queries and temporary tables Organizing your data is one of the most important steps for analysis! Once you get organized, you can perform calculations to find clear and objective answers to any data question Formatting and adjusting your data - answerAs you move closer to analyzing your data, you will want to have the data formatted and ready to go. In this part of the course, you will learn all about converting and formatting data, including how to use SQL queries to combine data. You will also discover the value of feedback and support from your colleagues and how it can lead to new insights that you can apply to your work Aggregating data for analysis - answerDuring an analysis, you might need to combine data to gain insights and complete business objectives. In this part of the course, you will explore the functions, procedures, and syntax to combine, or aggregate data. You will learn how to combine data within multiple cells in spreadsheets, and within multiple database tables using SQL queries Performing data calculations - answerCalculations are one of the more common tasks that data analysts perform during an analysis. In this part of the course, you will explore formulas, functions, and pivot tables in spreadsheets and SQL queries. All of these are used in data calculations. You will also learn about the benefits of using SQL to manage temporary database tables Analysis - answerThe process used to make sense of the data collected Taking the right steps to proceed and think about your data in different ways The goal of analysis is to identify trends and relationships within the data so that you can accurately answer the question you're asking. To reach your goal, stick to the 4 phases of analysis (by observing relationships between data points and making calculations.) - answer1. Organize Data 2. Format and Adjust Data 3. Get input from others 4. Transform data The beauty of the analysis process is that you probably already analyze situations in your everyday life. Whether you're analyzing data in your personal life or in your career, these four tasks can help you make better decisions. The more you do it, the more comfortable you'll feel with the process. Analysis Process (Format and Adjust Data) - answerFormatting data streamlines things and saves you time. Scrolling through hundreds of gifts can be time-consuming. Instead, you can adjust the data in a way that makes it easy to digest by filtering and sorting your data Analysis Process (Get input from others) - answerAt this point, it's good to remember that input from other people can also be really helpful when analyzing information and making decisions. When analyzing data, gaining input from others is important because it gives you a viewpoint you might not understand or have access to. On top of gaining input from other people, it's also important to seek out others' perspectives early. That way, if they predict any obstacles or challenges, you'll know beforehand. The people you'll look to for input don't have to be experts to be helpful. Sometimes all you need is for someone who's familiar with a topic or data you're considering. Analysis Process (Transform Data) - answerTransforming data means identifying relationships and patterns between the data, and making calculations based on the data you have. Even though each phase of the data analysis process is unique, data analysts make decisions about organization throughout all of them - answer How your data is classified and struc