The table below shows the number of hours some business people in two states spend in meetings each week: state a 21 23 24 22 24 25 23 23 22 state b 24 22 20 23 23 50 20 46 21 part a: create a five-number summary and calculate the interquartile range for the two sets of data. (6 points) part b: are the box plots symmetric? justify your answer. (4 points)