AP Statisticsmediummcq1 pt
A stratified random sample
A.samples randomly within each subgroup
B.picks every 10th person
C.samples only one subgroup
D.uses only volunteers
Explanation
Core Concept
Strata are sampled separately.
Correct Answer
Asamples randomly within each subgroup
More Unit 3: Collecting Data practice questions
- mediumA matched pairs design comparing two tire brands on the same cars controls for
- mediumWhich pair correctly matches sampling and assignment?
- easyWhy can't an observational study prove causation?
- easyWhich study can support causal conclusions?
- easyTreatments in an experiment are
Practice more AP Statistics questions with full explanations
Practice Unit 3: Collecting Data Questions →