Answer :
Arrange data set in ascending order:
State A: 21, 22, 22, 23, 23, 23, 24, 24, 25
State B: 20, 20, 21, 22, 23, 23, 24, 46, 50
State A State B
minimum 21 20
1st Quartile 22 20.5
median 23 23
3rd Quartile 24 46
maximum 25 50
IQR 2 25.5
State A: 21, 22, 22, 23, 23, 23, 24, 24, 25
State B: 20, 20, 21, 22, 23, 23, 24, 46, 50
State A State B
minimum 21 20
1st Quartile 22 20.5
median 23 23
3rd Quartile 24 46
maximum 25 50
IQR 2 25.5