Data Analysis Basics Quiz
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Questions and Answers

What are the roles of a Junior Data Analyst?

  • Conducting surveys and collecting data (correct)
  • Designing databases
  • Developing machine learning models
  • Extracting insights and patterns from data

    • List three key analytical skills for a data analyst:

  • Data Cleaning, Data Analysis, and Data Visualization
  • Statistical Analysis, Graphic Design, and Project Management
  • Programming, Data Visualization, and Active Listening (correct)
  • Spreadsheets, Database Management, and Structured Thinking

    • Name a tool used for Data Visualization:

  • Python
  • SQL
  • Tableau (correct)
  • Excel

    • Describe the Data Life Cycle in order:

    <p>Collecting, Cleaning, Analysis, Visualization, Interpretation</p> Signup and view all the answers

    What is Big Data, and what are the '3V's' associated with it?

    <p>Big Data involves Volume, Velocity, and Variability.</p> Signup and view all the answers

    Study Notes

    Roles of a Junior Data Analyst

    • Assists in data collection, cleaning, and processing
    • Analyzes data to identify trends and patterns
    • Creates data visualizations to communicate insights
    • Develops and maintains databases and data systems
    • Collaborates with stakeholders to identify business needs and develop data-driven solutions

    Key Analytical Skills for a Data Analyst

    • Problem-Solving: Ability to identify problems, formulate hypotheses, and develop solutions
    • Data Interpretation: Skill to collect, analyze, and interpret large datasets to draw meaningful insights
    • Communication: Ability to present complex data insights effectively to both technical and non-technical stakeholders

    Data Visualization Tool

    • Tableau: A data visualization tool used to connect to various data sources, create interactive dashboards, and share insights

    Data Life Cycle

    • Capture: Data is collected from various sources
    • Process: Data is cleaned, transformed, and loaded into a usable format
    • Analyze: Data is analyzed to identify trends, patterns, and insights
    • Report: Insights are communicated to stakeholders through reports and visualizations

    Big Data and the '3V's'

    • Big Data: Large, complex datasets that exceed traditional processing capabilities
    • 3V's: Volume (large amounts of data), Velocity (high speed of data generation), Variety (diverse data types and sources)

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    Description

    Test your knowledge of data analysis with this quiz covering the definition of data analysis, the roles of a Junior Data Analyst, and key analytical skills required for the role.

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