Introduction to Statistics and Descriptive Data Analysis

Statistical data shapes our understanding of the world, from scientific research to daily news reports. To make sense of this information, you need a solid grasp of how data is collected, organized, and summarized. This course guides you from absolute beginner to a confident reader and analyzer of basic data. You will move beyond simple calculations to understand the underlying logic of statistical methods, enabling you to evaluate research findings critically and prepare for advanced inferential analysis. What you'll learn: - Understand foundational concepts including cases, variables, and levels of measurement. - Calculate key measures of central tendency such as mean, median, and mode. - Analyze data variability using range, variance, and standard deviation. - Interpret common data distributions and frequency tables. - Evaluate statistical claims critically to spot common biases and misrepresentations in modern media. You will begin with essential terminology and the structure of data, then progress through calculating descriptive statistics, and finish by learning how to interpret and critique real-world statistical reports. This course is designed for complete beginners in social sciences, business, or data analysis, requiring no prior background in advanced mathematics. Start building your data literacy and master the fundamentals of statistical thinking today.