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Questions and Answers
What are the roles of a Junior Data Analyst?
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:
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:
Name a tool used for Data Visualization:
- Python
- SQL
- Tableau (correct)
- Excel
Describe the Data Life Cycle in order:
Describe the Data Life Cycle in order:
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What is Big Data, and what are the '3V's' associated with it?
What is Big Data, and what are the '3V's' associated with it?
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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.
