(Solved):
following data show the price per gallon (\$) for a sample of 20 gasoline and convenience stores l ...
following data show the price per gallon (\$) for a sample of 20 gasoline and convenience stores located in San Francisco. (a) Use the sample data to estimate the mean price in dollars for a gallon of unleaded gasoline in San Francisco. \( \$ \) (b) Compute the sample standard deviation in dollars. (Round your answer to the nearest cent.) \( \$ \) (c) Compare the mean price per gallon for the sample data to the national average price. What conclusions can you draw about the cost of cities that have an average price close to the national average.