The topics of this book, which are the result of the effort and experience of teaching this form of study for about seventeen years, have been prepared to serve as a basis for studying the descriptive, analytical and applied aspects of statistics in social studies so that they can give the novice researcher in the field of social sciences in general, and in the field of sociology in particular, an organized knowledge of quantitative methods and statistical methods used in collecting and analyzing data on social phenomena in order to reach the most useful scientific results possible.