Presumably there is some presumption that everyone in the study has more or less the same driving needs. Possibly for a small area in MO, that might be true, or

Presumably there is some presumption that everyone in the study has more or less the same driving needs. Possibly for a small area in MO, that might be true, or at least close enough. I mean, I don't drive much either, but I live in a place where I don't have to. I don't need the car to get to work or do most of my ordinary errands. Now, if they want to track my bike, they might get more data.