AP Statistics · Free-response questions 2011

6 questions, each with its course unit and the official scoring guidelines.

Question 3

Open answer
Question 3 — 3. An apartment building has nine floors and each floor has four apartments. The building owner wants to install new carpeting in eight apartments to see how well it wears before she decides whether to replace the…

Source: College Board — AP Statistics, Free-response questions, 2011

Question 5

Open answer
Question 5 — 5. Windmills generate electricity by transferring energy from wind to a turbine. A study was conducted to examine the relationship between wind velocity in miles per hour (mph) and electricity production in amperes for…

Source: College Board — AP Statistics, Free-response questions, 2011

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