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.
Results from the US Census American Community Survey, 2012.
income - Annual income.
employment - Employment status.
hrs_work - Hours worked per week.
race - Race.
age - Age, in years.
gender - Gender.
citizen - Whether the person is a U.S. citizen.
time_to_work - Travel time to work, in minutes.
lang - Language spoken at home.
married - Whether the person is married.
edu - Education level.
disability - Whether the person is disabled.
birth_qrtr - The quarter of the year that the person was born, e.g. `Jan thru Mar`.
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.