Data 101
The foundation of data literacy. Eight lessons covering what data is, how it works, and why it matters.
What Is Data
Data is everywhere. Learn what it actually means, the difference between data and information, and why it matters in everyday life.
Read Lesson →Structured vs Unstructured Data
Not all data looks like a spreadsheet. Learn the difference between structured, semi-structured, and unstructured data with real examples.
Read Lesson →The Data Lifecycle
Data has a life — it's created, stored, used, shared, and eventually retired. Understanding this cycle helps you manage data better.
Read Lesson →What Makes Data Valuable
Not all data is equally useful. Learn what makes data valuable: accuracy, timeliness, completeness, and context.
Read Lesson →What Is Metadata
Metadata is data about data. It tells you what a dataset contains, where it came from, and how to use it correctly.
Read Lesson →Data Quality Fundamentals
What does "good data" actually mean? Learn the six dimensions of data quality and why they matter for any data project.
Read Lesson →Data Standards
Standards make data consistent and shareable. Learn about common data standards and why they matter for interoperability.
Read Lesson →Data Ethics Basics
Data has real-world consequences. Learn the basics of data ethics: fairness, transparency, accountability, and responsible use.
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