Current time: 0:00Total duration: 17:37

0 energy points

# Contingency table chi-square test

Sal uses the contingency table chi-square test to see if a couple of different herbs prevent people from getting sick. Created by Sal Khan.

If you're seeing this message, it means we're having trouble loading external resources for Khan Academy.

If you're behind a web filter, please make sure that the domains ***.kastatic.org** and ***.kasandbox.org** are unblocked.

Main content
# Contingency table chi-square test

Current time: 0:00Total duration: 17:37

0 energy points

Sal uses the contingency table chi-square test to see if a couple of different herbs prevent people from getting sick. Created by Sal Khan.