People in the aerospace industry believe the cost of a space project is a function of the mass of the major object being sent into space. Use the following data to develop a regression model to predict the cost of a space project by the mass of the space object. Determine r 2 and s_e.

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Mass (tonnes) 1.721 2.739 0.411 0.896 0.960 1.905 2.165 Cost (US$ millions) $ 53.6 184.9 6.4 23.5 33.4 110.4 104.6