Boxplot statistics
Variable	lower whisker	lower hinge	median	upper hinge	upper whisker
A	13	18	20	23	28
B	13	19	22	24	28
C	10	16	18	20	25
D	12	17	20	23	28
E	5	11	14	18	23
F	4	11	13	18	24
G	15	21	23	25	28
H	18	21	23	25	28
I	11	18	21	23	28
J	10	18	21	24	28
K	15	21	23	25	28
L	15	20	22	25	28
M	4	4	5	8	14
N	4	4	4	5.5	7

Boxplot Notches
Variable	lower bound	median	upper bound
A	19.2019794898038	20	20.7980205101962
B	21.004693554409	22	22.995306445591
C	17.361583591843	18	18.638416408157
D	18.8056322652908	20	21.1943677347092
E	12.8827712857253	14	15.1172287142747
F	11.6065709761726	13	14.3934290238274
G	22.361583591843	23	23.638416408157
H	22.2037548435272	23	23.7962451564728
I	20.2019794898038	21	21.7980205101962
J	19.8056322652908	21	22.1943677347092
K	22.361583591843	23	23.638416408157
L	21.004693554409	22	22.995306445591
M	4.361583591843	5	5.638416408157
N	3.70140806632271	4	4.29859193367729