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27-09-2022
Mathematics

Answered

An automobile manufacturer claims that their van has a 53.8 miles/gallon (MPG) rating. An independent testing firm has been contracted to test the
MPG for this van. After testing 16 vans they found a mean MPG of 53.4 with a standard deviation of 1 MPG. Is there sufficient evidence at the 0.1
level that the yans have an incorrect manufacturer's MPG rating?
State the null and alternative hypotheses for the above scenario.

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