Cars and trucks again In Exercise 3, after deleting an outlying value of 27, the mean difference
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Cars and trucks again In Exercise 3, after deleting an outlying value of —27, the mean difference in fuel efficiencies for the 632 vehicles was 7.37 mpg with a standard deviation of 2.52 mpg. Find a 95% confidence interval for this difference and interpret it in context.
In Exercise 3
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Related Book For 
Stats Data And Models
ISBN: 662
4th Edition
Authors: Richard D. De Veaux, Paul D. Velleman, David E. Bock
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