THIS IS A BUS 173 QUESTION. PLEASE ANSWER IT SIR/MA'AM

Q2. Self-reported scores in the final exam and time spent on social media (in hours per day) by 8 students are provided below. Scores 88 82 70 84 71 77 78 90 Time Spent on Social Media 1 5 8 4 10 7 9 2 (a) Find the estimated least square regression line (b) Interpret the estimated intercept and slope coefficients (c) Test at 2% level of significance that the slope coefficient B is different from zero. (d) Find the 95% confidence interval for the mean scores for students who spend 5 hours per day on social media. Interpret your result