Mathematics, 24.02.2020 20:59, oofoofoof1

An automobile manufacturer has given its jeep a 45.1 miles/gallon (MPG) rating. An independent testing firm has been contracted to test the actual MPG for this jeep since it is believed that the jeep has an incorrect manufacturer's MPG rating. After testing 250 jeeps, they found a mean MPG of 45.2. Assume the population standard deviation is known to be 2.2. A level of significance of 0.05 will be used. Find the value of the test statistic. Round your answer to two decimal places.

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An automobile manufacturer has given its jeep a 45.1 miles/gallon (MPG) rating. An independent testi...

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