What is the best way to design a study to determine how much traffic there is during the morning rush
hour along a city street?
A. Send a survey to the local businesses surrounding the street, asking them how many times they
drive and how many times they take transit to work each year.
OB. Survey local car dealerships to see how many cars are sold in the area over the past year.
X
O C. Make video recordings of the street during rush hour every day for year and count the numbers
of vehicles that pass a certain point.
OD. Count the number of cars that pass a particular point during rush hour over 3 days, and then
take the average.