In January 2014, 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 3.2 stems€”one for prices between $3.20 and $3.24 and the other for prices from $3.25 to $3.29.
b) Describe the shape, center, and spread of this distribution.
c) What unusual feature do you see?

Transcribed Image Text:

3.23 3.26 3.23 3.39 3.45 3.43 3.42 3.45 3.46 3.11 3.15 3.22 3.21 3.26 3.27 3.28