Skew The Script lessons identify misleading data arguments and show students how the tools of statistics can be used to gain a deeper understanding of some of our country’s longstanding problems. Even more important, the lessons provide students from widely differing backgrounds with a common analytical lens (rigorous data analysis) for heightened discourse around social issues.
There are many concepts associated with hypothesis testing, but it all comes down to variation. How unusual is the variation we observe in a sample?
Students can often lose sight of this basic idea once they have learned the various procedures introduced in an introductory statistics course. Further, they may blindly follow the procedure and never question the impact of the sample size or magnitude of variation on the conclusion they draw.