SAT Math · Problem-Solving and Data Analysis
Evaluating statistical claims: observational studies and experiments practice questions
Each free question on this page comes with its answer and a full explanation, and each one is marked easy, medium or hard.
- Question 54 · mediumA researcher observes that, among adults who were not randomly assigned to groups, those who exercise regularly have lower rates…
- Question 55 · mediumA researcher wants to test whether a new fertilizer increases plant growth. Instead of using two separate groups of different…
- Question 56 · hardA researcher studying successful startup companies that are still operating after 10 years finds that a high percentage of them…