1. (4 pts) A new blend of gasoline costs $1.00 more per gallon than regular gasoline. Tests have shown that gas mileage with the new blend is statistically significantly higher than it is with regular gasoline (t = 2.9, df = 243, p = 0.004). A report about these results goes on to say that the new blend of gasoline increases gas mileage by 1.2 to 1.8 miles per gallon at the 95% confidence level. Are these results practically significant? Justify your answer with the numerical evidence given in the context