The average annual premium for automobile insurance in the United States is $1566. A representative sample of annual premiums for the state of Michigan is contained in the Excel Online file below. Assume the population is approximately normal. Construct a spreadsheet to answer the following questions. Annual Premium         Formula Used 1933   Sample Size     #N/A 3191           2393   Point Estimate of Mean (to the whole)     #N/A 2739           2564   Standard Deviation (4 decimals)     #N/A 2989           2698   Confidence Coefficient 0.95     2553           2655   Level of Significance     #N/A 2699           2365   Margin of Error (2 decimals)     #N/A 2827           2908   C.I. Lower Limit (2 decimals)     #N/A 2544   C.I. Upper Limit (2 decimals)     #N/A 2675           2141   National Average for the U.S. 1566     2535           2116   Does the 95% confidence interval for the annual automobile insurance premium in Michigan include the national average for the United States?     #N/A 2317         2436

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