You can preview and download the dataset from this tab. The dataset is available in multiple file formats, compatible with most common software packages. You can also view and download the Codebook, which provides information on the structure, contents, and layout of the dataset.
This dataset is designed for teaching the paired samples t-test. The dataset is a subset of data derived from the World Bank Open Data, and the example examines any global change in the Gross Domestic Product (GDP) growth rate between 2006 and 2009. The dataset file is accompanied by a Teaching Guide, a Student Guide, and a How-to Guide for SPSS.