The following data give the number of hours 7 students spent studying and their corresponding grades on their midterm exams.
Hours Studying | 0.5 | 0.5 | 1 | 2 | 2 | 2.5 | 4 |
---|---|---|---|---|---|---|---|
Grades | 66 | 78 | 78 | 86 | 90 | 95 | 99 |
Step 1 of 5: Calculate the sum of squared errors (SSE). Use the values b0=69.7311 and b1=8.3106 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 99% confidence interval for the slope. Round your answers to three decimal places.
Step 5 of 5: Construct the 95% confidence interval for the slope. Round your answers to three decimal places.
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