Question
As of August 8, 2012 the national average gas price for a gallon of regular unleaded gasoline was $3.63. The prices for a sample of
As of August 8, 2012 the national average gas 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. : $3.759 $3.919 $3.859 $4.099 $4.299 $4.309 $3.999 $4.099 $3.749 $3.659
It is of interest to use this sample to compare the average gas price in Illinois to the national average. What is the sample statistic you are interested in? (use the correct notation)
Use StatKey and the provided data to test if this data provides evidence that the average gas price in Illinois exceeds the national average. Provide your StatKey printouts.
Define the appropriate parameter(s) and state the null and alternative hypotheses. Form a randomization distribution using at least 1,000 samples to test these hypotheses. Use the distribution to estimate the p-value for this sample. Use your p-value to make a decision about these hypotheses. Assess the strength of your evidence.
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