The course of theoretical-practical belongs to the area of science. Its purpose is to provide students methods and statistical techniques using a sample to draw conclusions about a population and make decisions based on what will happen to such things as demand, costs, and profits. These decisions are an effort to shape the future of the organization. Topics for discussion are: Statistical Estimation and Confidence Intervals, Sampling Methods. Parametric Hypothesis Testing: One/Two-Sample Test of Hypothesis, ANOVA and Post Hoc Multiple Comparison Tests, Analysis of Covariance (ANCOVA). Nonparametric Test. Association between variables measured at the Interval-Ratio Level: Correlation and Regression Theory and Multivariate Techniques. The statistical analysis components of the SPSS software package and Excel will be used extensively in this course.