h) Explain what homoscedasticity assumption means in the context of the question. Indicate which graph is used to verify homoscedasticity assumption and comment on whether this assumption is fulfilled or not. (2 marks) Explain what normality assumption means in the context of the question. Indicate which graph is used to verify normality assumption and comment on whether this assumption is fulfilled or not. (2 marks) What is the value of the coefficient of determination? Provide an interpretation of this value in the context of the question. (1.5 marks) k) What is the value of the RMS error? Provide an interpretation of this value in the context of the question. (1.5 marks] Find the 95% prediction interval for ) at x=180 and interpret your answer in the context of the question. (2 marks)