when would you find out if the tax rate increases the fuel consumption of your vehicle which is a naive model of fuel consumption? how to find a relationship between fuel consumption and state tax what is the statistical relationship between gas tax and consumption which variable is used to find out if the tax rate is skewed? what is the difference between a robust regression and a linear regression? how to find out if tax is statistically significant? does lowering gas tax affect fuel consumption? which variable is used to estimate fuel consumption? can taxes reduce fuel consumption what does the statistics do with fuel consumption which variable is insignificant in statistical analysis? how to find a correlation between fuel tax and consumption do tax rates affect fuel usage statistics which of the following variables is used to determine the relationship between sales of gasoline and fuel consumption? why is it necessary to use a linear regression model when calculating the amount of fuel consumed what does tax insignificant mean what is the effect of the gas tax in 2001 for usa? how to find out the relationship between tax rate and fuel consumption which variable is included in a robust logistic regression?