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 about the dispersion of a continuous variable. The dataset is a subset of data derived from the Consolidated State Performance Report from the U.S. Department of Education. It looks specifically at the percentage of 8th grade students who are proficient in math for the 50 U.S. states plus the District of Columbia and Puerto Rico. The dataset file is accompanied by a teaching guide, a student guide, and a how-to guide for SPSS.