Use a paired t when data are
- A
Categorical
- Bcheck_circle
Pairs of related observations (matched/repeated)
- C
Two unrelated samples
- D
One sample only
Explanation
Pairing reduces variability by controlling for individual differences.
Skills Focus: Selecting, Implementing, and Communicating Inference Procedures
AP Statistics· difficulty 4/5
Want 10 more like this — adaptive to your weak spots?