Data Analysis Foundations Using Simple Arithmetic

In a world driven by big data and artificial intelligence, the ability to understand numbers is no longer optional. Fortunately, you do not need advanced calculus or complex statistics to extract meaningful insights from data. This text-based course guides you through the core principles of data analysis using nothing more than basic arithmetic like addition, subtraction, multiplication, and division. You will build a solid foundation in data literacy, learning how to structure tables, read trends, and make data-driven decisions with confidence. You will learn to: 1. Understand foundational data terminology and the core principles of numerical literacy. 2. Calculate essential descriptive statistics such as averages, medians, and ranges using basic arithmetic. 3. Organize raw numbers into clear, structured tables that reveal trends and patterns. 4. Interpret data sets accurately to avoid common logical pitfalls and cognitive biases. 5. Apply modern data cleaning concepts to ensure your numbers are accurate and reliable. 6. Discover how modern data analysts use basic math to prepare data for AI and machine learning models. You will start with the absolute basics of numerical thinking before moving on to practical written exercises for structuring, summarizing, and presenting data clearly. This course is designed specifically for beginners with no prior background in statistics, programming, or advanced mathematics. Begin your journey into data science today by mastering the fundamental numbers that drive the modern world.