OpenIntro features a number of free books that can be used in high school and AP statistics courses. The license on these datasets is currently unknown. You can find out more about OpenIntro at https://www.openintro.org.
This data set comes from the Guardian's Data Blog and includes fivefinancial demographic variables.
region - Region in the United Kingdom
debt - Average regional debt, not including mortgages, in pounds
unemployment - Percent unemployment
house - Average house price, in pounds
pay - Average hourly pay, in pounds
rpi - Retail price index, which is standardized to 100 for the entire UK,and lower index scores correspond to lower prices
Picostat is a web-based opensource statistical application framework based on Drupal 8 and ℝ. Drupal can be used to manage user datasets and perform basic statistical analysis with a NoCode end-user interface ideal for non-technical users. Custom applications can be easily integrated into the system using webforms and ℝ language syntax.