Probability and Statistics for Engineering and the Sciences, Jay L. Devore, 2016 (Cengage Learning) - This textbook provides a comprehensive and rigorous treatment of hypothesis testing, t-distributions, and the different types of t-tests, suitable for foundational understanding.
Introduction to Probability and Statistics (Course 18.05), Jeremy Orloff, Jonathan Bloom, 2014 (MIT OpenCourseWare) - MIT OpenCourseWare materials offer a structured academic approach to understanding hypothesis testing and the principles of t-tests.
OpenIntro Statistics, David M. Diez, Christopher D. Barr, and Mine Çetinkaya-Rundel, 2019 (OpenIntro) - A high-quality, free textbook that clearly explains hypothesis testing, the t-distribution, and different types of t-tests with accessible examples.