This document provides a comprehensive solution to a statistics assignment focusing on regression analysis and hypothesis testing. The assignment covers a range of statistical concepts and techniques, including linear regression, t-statistics, p-values, F-statistics, and variance-covariance matrices. The solution details step-by-step instructions and explanations for each question, from interpreting coefficients and determining statistical significance to constructing point and interval estimates and performing hypothesis tests. The assignment involves the analysis of data using statistical software, requiring the application of various formulas and the interpretation of statistical outputs. The document also includes instructions on how to use statistical software to perform the analysis and interpret the results. The solutions provided are designed to guide students through the process of understanding and applying statistical methods to real-world problems. This assignment covers a wide range of topics within statistics, from basic regression models to more complex hypothesis testing and inference techniques.