Question

more than 340 million people visit theme parks each year. do you think it is because of the roller coasters? you can find 624 roller coasters at theme parks in the united states. the fastest coaster can reach 128 mph! if you want to learn about the roller - coaster riding habits of people, which is the best statistical question you could ask those leaving an amusement park? did you ride a roller coaster today? how fast is the coaster you rode today? how many times did you ride a coaster today? how many roller coasters are there at this park?

Explanation:

To learn about roller - coaster riding habits, the frequency of rides gives more insight into habits compared to just a yes - no answer (first option), coaster speed (second option which is more about coaster feature than riding habit), or the number of coasters in the park (fourth option). Asking how many times someone rode a coaster today helps understand how often people engage in this activity, which is part of riding habits.

Answer:

How many times did you ride a coaster today?