Reconstruction

Total Cost

Labor Cost

Dependent Variable:

lntot

Dependent Variable:

lnlabor

Indep Variable

Estimated

Coefficient

Standard Error

t-Statistic

Indep Variable

Estimated

Coefficient

Standard Error

t-Statistic

one

5.22175

0.60923

8.57101

one

6.22976

9.86522e−002

63.14873

lyear

0.76511

0.24410

3.13439

elev

2.61157e−004

1.27936e−004

2.04131

Number of Observations

88

Number of Observations

198

Corrected R-squared

0.12134

Corrected R-squared

0.00000e+000

Durbin-Watson Statistic

0.85384

Mean of Dependent Variable

6.62413

Mean of Dependent Variable

6.22976

Flush Seal

Total Cost

Labor Cost

Dependent Variable:

lntot

Dependent Variable:

lnlabor

Indep Variable

Estimated

Coefficient

Standard Error

t-Statistic

Indep Variable

Estimated

Coefficient

Standard Error

t-Statistic

one

7.23358

8.94882e−002

80.83270

one

6.36667

7.74854e−002

82.16616

lyear

1.35252

0.17832

7.58490

lyear

0.97188

0.15440

6.29458

Number of Observations

135

Number of Observations

135

Corrected R-squared

0.29670

Corrected R-squared

0.22374

Mean of Dependent Variable

7.57421

Mean of Dependent Variable

6.61145

Chip Seal

Total Cost

Labor Cost

Dependent Variable:

lntot

Dependent Variable:

lnlabor

Indep Variable

Estimated

Coefficient

Standard Error

t-Statistic

Indep Variable

Estimated

Coefficient

Standard Error

t-Statistic

one

5.95503

0.46492

12.80873

one

5.37183

0.44704

12.01641

lyear

0.52712

−0.18476

−2.85306

lyear

−0.48416

0.17765

−2.72532

elev

2.29486e−004

8.29841e−005

2.76542

elev

1.51135e−004

7.97929e−005

1.89409

aadt

5.97617e−004

1.41487e−004

4.22384

aadt

6.34517e−004

1.36046e−004

4.66399

Number of Observations

87

Number of Observations

87

Corrected R-squared

0.19072

Corrected R-squared

0.21000

Mean of Dependent Variable

7.40151

Mean of Dependent Variable

6.47436