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In analyzing the city and highway fuel efficiencies of many cars andtrucks, the mean difference in fuel efficiencies for the 634 vehicles was 7.48…

In analyzing the city and highway fuel efficiencies of many cars andtrucks, the mean difference in fuel efficiencies for the 634
vehicles was 7.48
mpg with a standard deviation of 2.52
mpg. Find a 95% confidence interval for this difference and interpret it in context.
The

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