Category Rank Sum \(\mathbf{\chi^2}\) P-value
UCSF (n=99) USC (n=159)
Lodging 14935.00 18218.00 15.695 0.0001
Ground Transportation 12203.00 20950.00 0.575 0.4482
Gas/Parking/Tolls 14905.50 18247.50 15.293 0.0001
Flights 13086.00 20067.00 0.588 0.4430
Total Amount 15018.50 18134.50 16.858 0.0001