In: Statistics and Probability
The data in the table is the number of absences for 7 students and their corresponding grade.
Number of Absences | 1 | 1 | 2 | 3 | 3 | 6 | 7 |
---|---|---|---|---|---|---|---|
Grade | 3.9 | 3.8 | 3.7 | 3.5 | 2.7 | 2.4 | 2 |
Step 1 of 5: Calculate the sum of squared errors (SSE). Use the values b0=4.1440 and b1=−0.3047 for the calculations. Round your answer to three decimal places.
Step 2 of 5: Calculate the estimated variance of errors, Round your answer to three decimal places.
Step 3 of 5: Calculate the estimated variance of slope, . Round your answer to three decimal places.
Step 4 of 5: Construct the 95% confidence interval for the slope. Round your answers to three decimal places.
Step 5 of 5: Construct the 90% confidence interval for the slope. Round your answers to three decimal places.