Data Fundamentals Fluency

This beginner-friendly, tool-free course is for anyone who works with data but has never stepped back to learn what it actually is. Build the vocabulary and mental models everything else depends on: what data is and how tabular data is organized, the difference between numerical and categorical data types, how to summarize a dataset using measures of center, spread, and descriptive statistics, and how values relate through ratios, proportions, and correlation. No spreadsheets, no code—just the core concepts that make every future tool and analysis easier to grasp. Ideal for newcomers, career-changers, and non-technical team members who want to follow data conversations with confidence.