The box plots represent the distributions of typing speeds of students before and after a computer-programming course. Which statement is true about the variability of the distributions?
Answer
A
The interquartile range of the typing speeds after the course is greater than the interquartile range of the speeds before the course.
B
The interquartile ranges of the two distributions are the same.
C
The range of the speeds after the course is smaller than the range of the speeds before the course.