Question

The following table compares the completion percentage and interception percentage of 55 NFL quarterbacks.

Completion Percentage   Interception Percentage
55 4
61 4
63 3.9
63 3
65 1.1

Step 1 of 5: Calculate the sum of squared errors (SSE). Use the values b0=15.8545b0=15.8545 and b1=−0.2061b1=−0.2061 for the calculations. Round your answer to three decimal places

Step 2 of 5: Calculate the estimated variance of errors, s2ese2. Round your answer to three decimal places

Step 3 of 5: Calculate the estimated variance of slope, s2b1sb12. Round your answer to three decimal places.

Step 4 of 5: Construct the 98% 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.

Answer 1

Step 1 of 5: Calculate the sum of squared errors (SSE). Use the values b0=15.8545b0=15.8545 and b1=−0.2061b1=−0.2061 for the calculations. Round your answer to three decimal places

3.706

Step 2 of 5: Calculate the estimated variance of errors, s2ese2. Round your answer to three decimal places

1.235

Step 3 of 5: Calculate the estimated variance of slope, s2b1sb12. Round your answer to three decimal places.

0.021

Step 4 of 5: Construct the 98% confidence interval for the slope. Round your answers to three decimal places

confidence interval
98% lower	98% upper
-0.862	0.450

Step 5 of 5: Construct the 95% confidence interval for the slope. Round your answers to three decimal places.

confidence interval
95% lower	95% upper
-0.666	0.254