Data_Analyst_Full_Content_Presentation for college
nstv6241
2 views
20 slides
Oct 08, 2025
Slide 1 of 20
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
About This Presentation
about data analytics
Size: 46.38 KB
Language: en
Added: Oct 08, 2025
Slides: 20 pages
Slide Content
Data Analyst Role, Skills, and Career Path
Introduction A Data Analyst collects, processes, and analyzes data to help organizations make better decisions. They turn raw data into meaningful insights.
Importance of Data Analysis • Helps businesses make informed decisions • Identifies trends and opportunities • Improves efficiency and performance • Reduces risks through predictive analysis
Types of Data Analysis • Descriptive – What happened? • Diagnostic – Why did it happen? • Predictive – What will happen? • Prescriptive – What should we do?
Key Responsibilities • Collecting and cleaning data • Performing statistical analysis • Creating visualizations and dashboards • Presenting insights to stakeholders
Technical Skills • Excel for quick analysis • SQL for querying databases • Python/R for advanced analysis • Tableau/Power BI for visualization
Soft Skills • Communication – Explain results clearly • Problem-solving – Find solutions from data • Critical Thinking – Interpret data correctly • Collaboration – Work with teams effectively
Popular Tools • Excel, Google Sheets • SQL (MySQL, PostgreSQL) • Tableau, Power BI • Python, R • Jupyter Notebook, Google Data Studio
Data Collection • Sources: Databases, APIs, surveys, logs • Methods: Web scraping, manual entry, automated pipelines • Ensures accurate and reliable data for analysis
Data Cleaning & Preparation • Handling missing values • Removing duplicates • Standardizing formats • Ensuring data quality for accurate results
Exploratory Data Analysis (EDA) • Summarizing datasets • Identifying patterns and correlations • Spotting outliers and anomalies • Using graphs and statistics for insights
Data Visualization • Charts: Bar, Line, Pie, Histogram • Dashboards: Interactive reports • Storytelling with data: Making results easy to understand
Case Study Example E-commerce company used data analysis to: • Identify most popular products • Reduce delivery delays • Improve customer satisfaction Result: 20% sales growth in 6 months
Data Analyst vs Others • Data Analyst: Focus on insights from data • Data Scientist: Builds models, uses ML • Data Engineer: Manages data infrastructure
Career Path • Entry-level: Junior Analyst • Mid-level: Data Analyst / Business Analyst • Senior-level: Senior Analyst / Analytics Manager • Specialist: Data Scientist, Data Engineer
Challenges • Poor data quality • Data privacy & security issues • Handling large datasets (Big Data) • Communicating complex results clearly
Future Trends • Artificial Intelligence in analytics • Automation of data cleaning • Real-time data analysis • Cloud-based analytics tools
Tips for Success • Learn continuously (new tools & skills) • Build strong portfolios with projects • Network with professionals • Practice problem-solving with real data
Conclusion Data Analysts are vital in today’s data-driven world. They turn raw data into knowledge, driving smarter decisions and innovation. Q&A