Beer and BA C Refer to Exercise 3. Computer output from the least-squares regression analysis on the beer and blood alcohol data is shown below.

Dependent variable is: BAC No Selector R squared = 80.0% R squared (adjusted) = 78.6%

s = 0.0204 with 16 − 2 = 14 degrees of freedom Variable Coefficient s.e. of Coeff t-ratio prob Constant −0.012701 0.0126 −1.00 0.3320 Beers 0.017964 0.0024 7.84 ≤0.0001 The model for regression inference has three parameters:

a,

b, and s. Explain what each parameter represents in context. Then provide an estimate for each.