Briefly Explain the Factors That Led to the Erosion of Rail

question 44

Essay

Briefly explain the factors that led to the erosion of Rail dominance in 1920 and 1930.

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Definitions:

Backward Selection

A stepwise regression method that starts with a full model and iteratively removes the least significant variables to optimize model performance.

Independent Variable

A variable in an experiment or mathematical model that is manipulated or changed to observe its effect on the dependent variable.

Bonferroni Criterion

A statistical adjustment method for multiple comparisons that lowers the threshold for statistical significance to control the overall type I error rate.

Substantial Bias

A significant prejudice or predisposition in a way that prevents objective consideration of an issue or situation.