The box plots show the average speeds, in miles per hour, for the race cars in two different races.
One-half of cars travel at which speeds?
A.) between 120 and 143 mph in race A; between 125 and 140 mph in race B
B.) between 120 and 170 mph in race A; between 125 and 165 mph in race B
C.) between 120 and 153 mph in race A; between 125 and 145 mph in race B
D.) between 165 and 170 mph in race A; between 150 and 165 mph in race B