John Lives in Los Angeles and Hates the Traffic

Essay

John lives in Los Angeles and hates the traffic. He asked a sample of six of his coworkers who live all over Los Angles how many hours they spend commuting every year. These are their responses in hours per year. (See the Excel Data File.)
A) Calculate and interpret the 30^th, 50^th, and 70^th percentiles.
B) Are there any outliers? Is the distribution symmetric? If not, comment on its skewness.