The box plots show the average speeds, in miles per hour, for the race cars in two different races.
Average Speeds of Cars in Race A
120
125 130
135
140 145
150
155
160
165
170
Average Speeds of Cars in Race B
One-half of cars travel at which speeds?
between 120 and 143 mph in race A between 125 and 140 mph in race B
between 120 and 170 mph in race A; between 125 and 165 mph in race B
O between 120 and 153 mph in race A between 125 and 145 mph in race B
O between 165 and 170 mph in race A between 150 and 165 mph in race B