Descriptive and Inferential Statistics is a book that is intended for university students of any college. You'll find theory as summaries and exercises solved on the following topics: Descriptive Statistics Confidence Intervals and Test Hypothesis for means proportions and variances for one sample Chi Square Test Test Hypothesis for means proportions and variances for two or more samples and Regression line. Statistical software such as SPSS Minitab programs have been used in the resolution of problems and in some cases have been resolved by using the Excel and also manually.