Question: Open the NFLTEAMVALUES 2 0 1 8 dataset in RStudio. Here we are interested in modeling the relationship between current value of an NFL team

Open the NFLTEAMVALUES

2018

dataset in RStudio. Here we are interested in modeling the relationship between current value of an NFL team and their debt relative to value. The relevant columns of the dataset are

Current

_

Value

and

Debt

_

_

Value

.

Note that all values in these columns are in millions. Suppose we can use a simple linear regression model to describe the relationship where we treat Debt

_

_

Value as the predictor variable.

Compute a

90 %

confidence interval for the slope coefficient in front of Debt

_

_

Value. What does this confidence interval tell us

?

Conduct a

99 %

confidence level hypothesis test to test whether or not the true slope coefficient is equal to

1000 .

What is our best estimate for the variance of the residuals?

Open the NFLTEAMVALUES 2 0 1 8 dataset in

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