| Equipment | Equipment | ||||||
| Dependent Variable: | lneq | Dependent Variable: | lneq | ||||
| Indep Variable | Estimated Coefficient | Standard Error | t-Statistic | Indep Variable | Estimated Coefficient | Standard Error | t-Statistic |
| one | 5.76825 | 0.10346 | 55.75149 | one | 2.14434 | 0.76851 | 2.79024 |
| lyear | 0.51890 | 0.21725 | 2.38850 | age | −0.25160 | 7.70902e−002 | −3.26374 |
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| lyear | 1.53446 | 0.25827 | 5.94137 |
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| dist1 | 0.70683 | 0.28343 | 2.49387 |
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| dist2 | 1.20197 | 0.22563 | 5.32727 |
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| elev | 6.91082e−004 | 1.40269e−004 | 4.92683 |
| Number of Observations | 97 | Number of Observations | 78 | ||||
| Corrected R-squared | 4.67198e−002 | Corrected R-squared | 0.52516 | ||||
| Mean of Dependent Variable | 5.88594 | Mean of Dependent Variable | 6.15327 | ||||
| Chip Seal-1 | Chip Seal-2 | ||||||
| Total Cost | Total Cost | ||||||
| Dependent Variable: | lntot | Dependent Variable: | lntot | ||||
| Indep Variable | Estimated Coefficient | Standard Error | t-Statistic | Indep Variable | Estimated Coefficient | Standard Error | t-Statistic |
| one | 6.91182 | 0.11215 | 61.63111 | one | 6.16464 | 0.61684 | 9.99388 |
| lyear | 1.81242 | 0.19820 | 9.14448 | age | 7.30700e−002 | 4.75945e−002 | 1.53526 |
| dist1 | 0.31118 | 0.15951 | 1.95086 | lyear | −0.51297 | 0.21971 | −2.33473 |
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| dist1 | −0.35433 | 0.19684 | −1.80010 |
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| elev | 1.73129e−004 | 7.67915e−005 | 2.25453 |
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| aadt | 1.51324e−003 | 7.35471e−004 | 2.05750 |
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| truck | −1.29371e−002 | 6.05241e−003 | −2.13752 |
| Number of Observations | 110 | Number of Observations | 89 | ||||
| Corrected R-squared | 0.44573 | Corrected R-squared | 0.24460 | ||||
| Mean of Dependent Variable | 7.41292 | Mean of Dependent Variable | 7.01842 | ||||
| Labor Cost | Labor Cost | ||||||
| Dependent Variable: | lnlabor | Dependent Variable: | lnlabor | ||||
| Indep Variable | Estimated Coefficient | Standard Error | t-Statistic | Indep Variable | Estimated Coefficient | Standard Error | t-Statistic |
| one | 5.64555 | 0.21227 | 26.59612 | one | 4.05502 | 0.47710 | 8.49922 |
| lyear | 1.29042 | 0.17225 | 7.49169 | age | 0.12064 | 4.42940e−002 | 2.72354 |
| dist1 | 0.74466 | 0.23196 | 3.21034 | lyear | −0.65300 | 0.20709 | −3.15322 |
| dist2 | 0.63657 | 0.23240 | 2.73915 | elev | 2.91755e−004 | 6.84721e−005 | 4.26093 |
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| aadt | 1.77472e−003 | 6.58573e−004 | 2.69479 |
| Number of Observations | 110 | Number of Observations | 89 | ||||
| Corrected R-squared | 0.36502 | Corrected R-squared | 0.24512 | ||||
| Mean of Dependent Variable | 6.51891 | Mean of Dependent Variable | 6.24271 | ||||