Researchers often have difficulties collecting enough data to test their hypotheses, either because target groups are small or hard to access, or because data c

Newer statistical models, such as structural equation modeling and hierarchical linear modeling, require large sample sizes inappropriate for many research ques

Researchers often have difficulties collecting enough data to test their hypotheses, either because target groups are small or hard to access, or because data c

Introductory Statistics 2e provides an engaging, practical, and thorough overview of the core concepts and skills taught in most one-semester statistics courses