Mathematics, 01.07.2020 15:01 lizzyhearts
An automobile manufacturer claims that’s its car has a 54.8 miles/gallon (MPG) rating. An independent testing firm has been contracted to test the MPG rating. After testing 170 cars, they found a mean MPG OF 5.45.Assume the variance is known to be 4.41. A level of significance of 0.01 will be used. State the hypothesis
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An automobile manufacturer claims that’s its car has a 54.8 miles/gallon (MPG) rating. An independen...
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