The ages of the patients of a paediatrician was surveyed was summarized and displayed in the box-and whisker diagram shown below in Exhibit 1. Use the box-and-whisker diagram to:i. Determine the...

The ages of the patients of a paediatrician was surveyed was summarized and displayed in the box-and whisker diagram shown below in Exhibit 1.

Use the box-and-whisker diagram to:
i. Determine the minimum and the maximum age of the patients surveyed?
ii. Calculate the quartile deviation of the ages of the patients surveyed.
iii. Comment on the skewness of this distribution.