2. Is the number of hours that a person watches TV related to a person's weight? In a sample of 16 people, the average number of hours per week that a person watches TV and the amount (in pounds) by which that person is overweight were recorded. (A negative value of overweightness means that that person is underweight.) The data are summarized. Pled of Overweight to Talents in Overweight Televia Least Squares Standard T Parameter Estimate Error Statistic P- Value Intercept -25.2594 2.51785 -10.0321 0.0000 Slope 1.01075 0.0817357 12.3661 0.0000 Correlation Coefficient = 0.957146 R-squared = 91.6128 percent R-squared (adjusted for d.f.) =91.0137 percent Standard Error of Est. = 2.37306 a) Interpret the given value of the correlation coefficient. Use a decision point. [3 marks] b) Calculate y at x = 30 and interpret your answer. [3 marks] c) Calculate a 95% prediction interval and interpret your answer. [3 marks]