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Listed below are measured MPGs from three different categories of vehicles.,Vehicle Miles per Gallon ,Vehicle Category ,#1 9.3 9.3 9.3 8.6 8.7 9.3,#2 8.7 7.7 7.7 8.7 8.2 9.0 7.4 7.0 ,#3 7.2 7.9 6.8 7.4 6.5 6.6 6.7 6.5 6.5 7.1 6.7 5.5 7.3, x bar subscript i s squared subscript i, 9.91, 8.03, 6.82 .10, .60, .34,, Also given that x bar = 7.99,,29. What is the test statistic?,30. Use a 5% significance level (95% confidence level) to test the claim that the different vehicle,categories have the same mean MPG.

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