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 55 58 58 60 64
Interception Percentage 4.7 4.3 3.8 3.7 2.8

Step 4 of 5 :  

Construct the 90% confidence interval for the slope. Round your answers to three decimal places.

Lower endpoint: ____________

Upper endpoint: ____________

.

Previous Answers:

b1 = -0.2091

b0 = 16.1969

SSE = 0.128

s^2e = 0.043

s^2b1 = 0.001

Homework Answers

Answer #1

The statistical software output for this problem is :

Lower endpoint = -0.282

Upper endpoint = -0.136

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