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The mean miles per gallon of gas for a 2023 sedan is 67 mpg miles per gallon This distance is normally distributed with a sample
The mean miles per gallon of gas for a 2023 sedan is 67 mpg miles per gallon This distance is normally distributed with a sample standard deviation of 4 miles per gallon A newer engine model is suspected to improve miles per gallon A test is conducted where a sedan with the newer engine and 1 gallon of gas drives 30 times with a mean of 72 mpg Using an alpha of 0 02 conduct a hypothesis test to determine if the newer engine model improved the miles per gallon of the sedan Then interpret the decision within the context of the problem
The mean miles per gallon of gas for a 2023 sedan is 67 mpg miles per gallon This distance is normally distributed with a sample standard deviation of 4 miles per gallon A newer engine model is suspected to improve miles per gallon A test is conducted where a sedan with the newer engine and 1 gallon of gas drives 30 times with a mean of 72 mpg Using an alpha of 0 02 conduct a hypothesis test to determine if the newer engine model improved the miles per gallon of the sedan Then interpret the decision within the context of the problem
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