Question

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

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.

Homework Answers

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
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