Boxplots: Interpretation

The 5-Number summary statistics for the number of years a typical family owns their first home before selling it is given by:

0.5  1  3.5  6  300.5\ \ 1\ \ 3.5\ \ 6\ \ 30
A total of 120 families participated in this study.

What percentage of the families owned their first home between 1 and 3.5 years before selling it?
More Boxplots and Five-Number Summary Questions: