statistics for economists 2

Our modern era is witnessing rapid development and tremendous technological progress in all fields of our daily life. The scientific progress in various fields has led to more interest in analyzing different phenomena to determine their characteristics, trends and causes, with the aim of identifying the reality of things, taking their essence rather than being chased behind their appearance. And since statistics science is that science that provides us with methods based on scientific foundations that help us make the most appropriate decisions and the closest to the right, it became necessary for every researcher to be familiar with these methods and how to use them. From this standpoint, the content of this book came in order to provide the student with some statistical methods, taking into account the simplicity of presentation and the ease of analysis so that the student can understand and benefit from them. The book includes six chapters. It aims to acquaint the student with statistics and the stages of applying the statistical approach in solving different scientific problems and statistical treatment of one phenomenon, and aims to introduce the student to providing the reader with the most important foundations on which the statistical thought is based in organizing and presenting double data on two phenomena and studying the link between them and modeling the relationship statistically so that it can Predicting a certain phenomenon with the help of the other. As we present this book, we hope that the learner will find in it what helps him to get acquainted with this science, drawing from it what is useful for him and what is beneficial for him. God grants success