I think that the answer is a) it could also be d)
i'm sorry if I'm wrong i hope this helps tho :)
I would choose answer 2, since that answer is based on a same size consisting of more than 1 person, making it applicable to statistic analysis and have an input in the observational study. The other questions ask for one data point, which isn't statistical
Source: AP Statistics
What is Canada's most important industrial area? What is produced there?
St. Lawrence Valley-Ontario Peninsula, steel and cars are produced there
Answer:
im claiming these points lol
Explanation: