The table below shows the number of hours some college athletes in two states spend on indoor sports each week:

state a 7 9 5 4 25 21 6 6 8
state b 14 12 10 13 15 14 11 15 16

part a: create a five-number summary and calculate the interquartile range for the two sets of data.

part b: are the box plots symmetric? justify your answer.