Answer
a) The scale should be the same from 0 to 20
b) The duration of women's stays varry less that that of men's stay. women have a mode near 5 days with an obvious drop afterwards while men have a mode at 1 day then it starts shortening after that.
c) The possible reason for the peak in women's length stay is childbirth
Work Step by Step
a) because they are not using the same scale
b) from the plots
c) A conclusion
