Franklin calculated the volume of traffic for two weeks.
The interquartile range for week one was 9, and the
interquartile range for week two was 5. Which of the
following statements must be true?
A. The volume of week one traffic varied less than the
volume of week two traffic.
B. The volume of week two traffic varied less than the
volume of week one traffic.
C. The median volume of traffic in week 1 is less than
that of week 2.
D. The median volume of week 1 is greater than the least
volume of week 2.