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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 63 64 64 65 66
Interception Percentage 3.3 2.9 2.8 2 1.7

Step 5 of 5 :  

Construct the 80% confidence interval for the slope. Round your answers to three decimal places.

Math   Statistics-And-Probability   
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