Summary Many students find understanding confidence intervals difficult, especially because of the amalgamation of concepts such as confidence levels, standard error, point estimates and sample sizes. An R Shiny application was created to assist the learning process of confidence intervals using graphics and data from the US National Basketball Association.

Understanding summary statistics and graphical techniques are building blocks to comprehending concepts beyond basic statistics. Its known that motivated students perform better in school. Using examples that students find engaging allows them to understand the concepts at a deeper level.