The accompanying data file shows the monthly rent (Rent) and square footage (Footage) for 40 rentals in a large college town. Click here for the Excel Data File a. Calculate the mean and the standard deviation for monthly rent. Note: Round final answers to the nearest whole number. b. Calculate the mean and the standard deviation for square footage. Note: Round final answers to the nearest whole number. c. Which variable exhibits greater relative dispersion as measured by the coefficient of variation? Note: Round final answers to three decimal places