Data Analysis Essentials

Categories: Data Analysis
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About Course

Welcome to Data Analysis Essentials

Data is only valuable when it is turned into insight that people can trust and act on. This course walks you through the full analytics workflow used by professional analysts: ask the right question, gather and clean the data, explore and summarize it, visualize it honestly, and communicate what you found.

Each of the five modules pairs a detailed reading lesson with a knowledge-check quiz, and the course finishes with a comprehensive final certification exam (70% to pass). Your progress and results are tracked automatically.

What Will You Learn?

  • Describe the end-to-end data analysis workflow
  • Collect, clean, and structure messy data into a tidy format
  • Summarize data with descriptive statistics
  • Choose and build the right chart for the message
  • Query and aggregate data with spreadsheets and basic SQL
  • Recognize misleading statistics and visualizations

Course Content

Module 1 — Foundations of Data Analysis
The analytics mindset, the workflow, and the vocabulary of data.

  • 1.1 The Data Analysis Workflow
  • Module 1 Quiz — Foundations

Module 2 — Data Collection & Cleaning
Getting trustworthy data and shaping it into a tidy, analysis-ready form.

Module 3 — Descriptive Statistics
Summarizing data with measures of center and spread.

Module 4 — Data Visualization
Choosing and building charts that tell the truth clearly.

Module 5 — Spreadsheets & SQL Basics
The everyday tools analysts use to slice, aggregate, and query data.

Final Certification Exam
A comprehensive exam covering all five modules. Score 70% or higher to pass and complete the course.