"Mathematical Statistics" (2nd edition) and the accompanying volume "Mathematical Statistics: Problems and Detailed Solutions" complement each other perfectly. Together they are very suitable for self-study. The first mentioned book provides a broad and solid introduction to mathematical statistics. The second one contains 250 problems, varying in difficulty, together with their solution, as well as a summary of each chapter of the main work.
Wiebe R. Pestman
Probability Theory Regression Regression Analysis Statistical Testing Statistics Statistik Statistischer Test Variance Analysis Varianzanalyse Wahrscehinlichkeitsrechnung