Shows That When Team Members Visited 90 Chicago-Area Car Dealers

shows that when team members visited 90 Chicago-area car dealers to negotiate the lowest price on a new car that cost the dealer about $11,000,

A) white males were given a final price that averaged close to $11,000 (specifically: $11,362) .
B) black females were given an average price that exceeded the average price given to black males.
C) black males were given an average that exceeded the average price given to the white males and females.
D) all of the choices are correct.