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.
Fueleconomy.gov, the official US government source for fuel economyinformation, allows users to share gas mileage information on theirvehicles. These data come from 19 users sharing gas mileage on their2017 Toyota Prius Prime. Note that these data are user estimates andsince the sources data cannot be verified, the accuracy of these estimatesare not guaranteed.
average_mpg - Average mileage as estimated by the user.
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.