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

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

3.43 3.46 3.43 3.59

3.65 3.63 3.62 3.65

3.66 3.31 3.35 3.42

3.41 3.46 3.47 3.48

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?