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.
Part B: Are the box plots symmetric? Justify your answer.