Almost all of the academic disciplines and professions require a certain level of skill in using and comprehending at least the basis of statistics and the procedures it implies. The aim of this guide is to help you master these skills and offer you an insight of the statistical concepts in order to be able to apply them, thus enabling you to better grasp opportunities in life. Introduction to Statistics serves the purpose of equipping you with all the information you need in order to understand and master statistics by vividly describing them and also, by exemplification. This book will help you decipher the patterns of the descriptive statistics, understand the variables and dispersions. Throughout our journey together, we will help you make the connection between inferential statistics and the decision making process. We will talk about possibilities and variables in order to enable your path towards a great understanding of statistics. Before we begin, it is mandatory that we explain what statistics actually is and what it represents. But before that, let us think a little about statisticians. Their purpose is to analyze data in order to be able to make generalizations and, afterwards, decisions. We make decisions every day based on statistics, even though we may not realize it. What we buy, eat, drink or do is influenced by a process of generalization in whose aftermath we estimate our best options. Our booklet will help you wield statistics as a shield and sometimes even a weapon. This will offer you better chances at a successful career and it will definitely help you improve the choices you make every day, thus improving your life.