Both can be true at the same time. rides ≠ rideRs If the group that does not tip takes significantly more rides than the group that does tip, then this makes

Both can be true at the same time. rides ≠ rideRs If the group that does not tip takes significantly more rides than the group that does tip, then this makes sense. It also makes sense that people who use the service more might be less likely to want to pay more for each trip (tip on top of the ride cost), whereas people who almost never use the service might be inclined to tip each time. Also, those statistics are comparing different things. One is about Uber, the other is about all taxis and ride-sharing services.