AP Stats FRQ 4 (omega-3), 2023, explained by AP Reader

FRQ 4 is the inference question. This year, it's matched pairs mean of difference between placebo and omega-3.

Solutions to other questions:

FRQ 4: This video

DISCLAIMER: This is my answer, not the official #APStats answer. Just because I'm an AP Stats reader (grader) doesn't mean I have access to the answer key before the grading starts.