This is an era of big data and people are already living in the sea of data. This book attempts to understand the thoughts and needs of learners, emphasizes the basic concepts of statistics, highlights the data, and uses R software to present visible and accessible process of statistical analysis for readers so that they can understand the basic ideas and application values of statistics in an easy and enjoyable way. The book is readable, with lively language and easy-to-understand content. It can be applied as a textbook of statistics for colleges and universities, and can also be used as a reference for various types of personnel engaged in economic analysis.