Question 4 (25 marks) Identify a research case that is suitable for simple linear regression analysis. This should involve a dependent variable (Y) and an independent variable (X). Collect at least 6 pairs of data for the analysis. a) State the dependent and independent variables. List down the data collected. (5 marks) b) Determine the regression equation. (12 marks) c) Explain the meaning of the slope in this case. (2 marks) d) Compute and interpret the correlation coefficient. (6 marks)