Introduction to Statistics — Why It Matters

In this lesson, we will learn what statistics is, why it matters in data analysis, the difference between descriptive and inferential statistics, and core concepts such as population, sample, variable, and observation. ## Lesson objective In this lesson, we will start with an introduction to statistics. Statistics is one of the core foundations of data analytics. Excel, SQL, Python, Power BI, and other analytics tools help us work with data. But to understand data correctly, explain results properly, and make decisions, statistics is needed. A data analyst is not only someone who creates reports.