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 r² and s_e.

Weight (tons) Cost ($ millions) 1.897 $ 53.6 3.019 184.5 0.453 6.4 0.980 23.5 1.058 32.6 2.100 110.4 2.405 104.6 *(Do not round the intermediate values. Round your answers to 4 decimal places.) **(Round the intermediate values to 4 decimal places. Round your answer to 3 decimal pla y = X 12 = Se =