The following datagive the number of hours 10 students spent studying and theircorresponding grades on their midterm exams.
| Hours Studying | 0 | 0.5 | 1 | 1.5 | 3 | 3 | 3.5 | 4 | 4 | 5.5 |
|---|
| Midterm Grades | 63 | 63 | 67 | 69 | 71 | 72 | 73 | 73 | 81 | 89 |
|---|
A. Calculate the sumof squared errors (SSE). Use the values b0=61.3521 and b1=4.1338for the calculations. Round your answer to three decimalplaces.
B. Calculate theestimated variance of errors, s2e. Round your answer to threedecimal places.
C. Calculate theestimated variance of slope, s2b1. Round your answer to threedecimal places.
D. Construct the80%confidence interval for the slope. Round your answers to threedecimal places. Lower endpoint: _______ Upper endpoint:________
E. Construct the98%confidence interval for the slope. Round your answers to threedecimal places. Lower endpoint: _______ Upper endpoint:________
