Statistical methods are used in all natural sciences, in business, in engineering, and even partially in the humanities. Nevertheless, statistics is considered difficult. To overcome this barrier, the author provides a practical introduction to the methods of inductive statistics and data analysis in this book. He describes the ideas and methods of modern data management using practical examples. The reader can deepen their knowledge through the many exercises, with model solutions showing how an exercise could be solved. SPSS, the statistical software, is utilized in this book.