Fuel efficiency of manual and automatic cars, Part Il: The table provides summary statistics on highway fuel economy of cars manufactured in 2012 (from Exercise 5.32). Use these statistics to calculate a 98% confidence interval for the difference between average highway mileage of manual and automatic cars, and interpret this interval in the context of the data. Hwy MPG, Automatic Hwy MPG, Manual Mean 22.92 27.88 SD 5.29 5.01 26 26 35 - 25 15 automatic manual Hwy MPG lower bound: mpg (please round to two decimal places) upper bound: mpg (please round to two decimal places)

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