Assessment of Heavy Equipment Operating Cost Estimates ...
2018-7-4u2002·u2002The models for both backhoe loaders and motor graders were both statistically significant with p-values of 3.6E-9 and 6.5E-11, respectively. The operating rate data was highly variable for both backhoe loaders and wheel loaders, as demonstrated in Figure 3, and the R 2 values of the models were 0
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