The least squares estimate for the coefficient of a multivariate regression model is exactly regression through the origin with the linear relationships.

Statistical inference is the process of drawing conclusions about a population based on a sample of data. Regression analysis is a set of statistical processes that estimate the relationships between variables.
Topics include: Introduction to Statistical Inference, Probability and Statistics, Common Distributions, Likelihood, Statistical Inference Concepts, Introduction to Regression Models, Residual Variation and Multivariate, Binary and Count Outcomes.