The following data give the number of hours 55 students spent studying and their corresponding grades on their midterm exams. Hours Studying 1 1 1 1 3Midterm Grades 64 77 79 93 991. Calculate the sum of squared errors (SSE). Use the values b0=67.8750 and b1=10.3750 for the calculations. Round your answer to three decimal places.2. Calculate the estimated variance of errors, s2e. Round your answer to three decimal places.3. Calculate the estimated variance of slope, s2b1. Round your answer to three decimal places.4. Construct the 98% confidence interval for the slope. Round your answers to three decimal places.5. Construct the 90% confidence interval for the slope. Round your answers to three decimal places.