Click on the following links. Please note these will open in a new window.

1. Watch the video on Type I v. Type II errors: https://youtu.be/jFF_sS92syY
2. Watch the video on comparing sample means: https://youtu.be/zjz_CYQbVQw
3. Watch the video explaining chi-square: https://youtu.be/VskmMgXmkMQ