In: Statistics and Probability
The following data give the number of hours 5 students spent studying and their corresponding grades on their midterm exams.
Hours Studying | 0 | 1 | 3 | 4 | 6 |
---|---|---|---|---|---|
Midterm Grades | 73 | 78 | 85 | 90 | 93 |
Step 1 of 5:
Calculate the sum of squared errors (SSE). Use the values b0=74.2456 and b1=3.4123 for the calculations. Round your answer to three decimal places.
Step 2 of 5:
Calculate the estimated variance of errors, s2e . Round your answer to three decimal places.
Step 3 of 5:
Calculate the estimated variance of slope, s2b1 . 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 98% confidence interval for the slope. Round your answers to three decimal places.