The number of new building permits can be a good indicator of the strength of a region's economic growth. The following table gives percentage increases over a four year period for three geographical areas. Analyze the data. Let a = 0.05 . What are your conclusions?
|
Year
|
Eastern
|
North Central
|
Southwest
|
|
2000
|
1.1
|
0.1
|
0.9
|
|
2001
|
1.3
|
0.8
|
1.0
|
|
2002
|
2.9
|
u
|
1.4
|
|
2003
|
3.5
|
1.3
|
1.5
|