Essay
Use the following
As of August 8, 2012, the national average price for a gallon of regular unleaded gasoline was $3.63. The prices for a sample of n = 10 gas stations in the state of Illinois are provided.
It is of interest to use this sample to compare the average gas price in Illinois to the national average.
-Define the appropriate parameter(s) and state the hypotheses for testing if this sample provides evidence that the average gas price in Illinois exceeds the national average.
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= averag...View Answer
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