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An automobile manufacturer claims that their van has a 41.4 miles/gallon (MPG) rating. An independent testing firm has been contracted to test the MPG for

An automobile manufacturer claims that their van has a 41.4 miles/gallon (MPG) rating. An independent testing firm has been contracted to test the MPG for this van. After testing 18 vans they found a mean MPG of 41.7 with a variance of 5.76 MPG. Is there sufficient evidence at the 0.025 level that the vans outperform the manufacturer's MPG rating? State the null and alternative hypotheses for the above scenario. Answer Tables Keypad Keyboard Shortcuts

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