Sample vs. Population

NOBA: Statistical Thinking

A chapter by Beth Chance and Allan Rossman that introduces several key topics in statistics such as: distributions, p-values, confidence intervals, samples/populations, and drawing statistical conclusions . This chapter could serve as an introduction to the topic or as a refresher for students in a more advanced course. You can access the full chapter here.

Video: Random Sampling

A brief (2:25) video from Pew Research Center in which, “The first video in Pew Research Center’s Methods 101 series helps explain random sampling – a concept that lies at the heart of all probability-based survey research – and why it’s important.”