The following data represent a sample of the assets (in millions of dollars) of 28 credit unions in a state. Assume that the population in this state is normally distributed with σ=3.5 million dollars. Use Excel to find the 99% confidence interval of the mean assets in millions of dollars. Round your answers to three decimal places and use ascending order. Assets 12.23 2.89 13.19 73.25 11.59 8.74 7.92 40.22 5.01 2.27 16.56 1.24 9.16 1.91 6.69 3.17 4.78 2.42 1.47 12.77 4.39 2.17 1.42 14.64 1.06 18.13 16.85 21.58