please solve on paper for better understanding

A recent study of auto miles per gallon [mpg] for 219 gasoline powers cars showed the following: mean mpg was 31 and the median mpg was 25. The lowest mpg was 11 and the highest was 113. Twenty five percent of the cars got less than 1'5 mpg and seventy five percent got less than 12 mpg. Check for high and low outliers [show your work}. Then construct a Box Plot on the scale below and interpret the skew of the middle 50% of the mpg 1u'alues. [Review Lesson 193'15}