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Using R Studio/R programming... A consumer-reports group is testing whether a gasoline additive changes a car's gas...

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Using R Studio/R programming...

A consumer-reports group is testing whether a gasoline additivechanges a car's gas mileage. A test of seven cars finds an averageimprovement of 0.4 miles per gallon with a standard deviation of3.57. Is the difference significantly greater than 0? Assume thatthe values are normally distributed.

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