Suburbs, each with its own attributes, are located around every metropolitan area. There is always the “rich” one (the most expensive one), the least expensive one, and so on.

The dollar amount of county transfer taxes paid on homes from five suburbs follows.

Suburb A Suburb B Suburb C Suburb D Suburb E 105 101 95 74 79 114 88 107 135 89 85 105 101 165 140 177 100 92 114 114 104 161 91 80 80 135 113 89 115 86 94 94 102

a. Do the sample data show sufficient evidence to conclude that the suburbs represented do have a significant effect on the transfer tax of their homes? Use   0.01.

b. Construct a graph that demonstrates the conclusion reached in part a.