Gasoline 2011 In October 2011, 16 gas stations in eastern Wisconsin posted these prices for a gallon of regular gasoline: a) Make a stem-and-leaf display of these gas prices. Use split stems; for...

Gasoline 2011 In October 2011, 16 gas stations in eastern Wisconsin posted these prices for a gallon of regular gasoline:

a) Make a stem-and-leaf display of these gas prices. Use split stems; for example, use two 3.3 stems—one for prices between $3.30 and $3.34 and the other for prices from $3.35 to $3.39.

 b) Describe the shape, center, and spread of this distribution.

 c) What unusual feature do you see?