Introductory statistics. A conceptual approach using RWare, W. B., Ferron, J. M., & Miller, B. M. (2013). Introductory statistics. [electronic resource] : a conceptual approach using R. Routledge/Taylor & Francis Group.
Chapter 1 pgs 3-26, Chapter 2 pgs 29-55, Chapter 3 pgs 56-95