Below you are given a partial computer output from a multiple regression analysisbased on a sample of 16 observations.

Coefficients Standard Error

Constant 12.924 4.425

x₁ -3.682 2.630

x₂ 45.216 12.560

Analysis of Variance

Source of

Variation Degrees of Freedom Sum of Squares Mean Square

F

Regression 4853 2426.5

Error 485.3

The degrees of freedom for the sum of squares explained by the regression (SSR) are

Select one:

a.13.

b.2.

c.15.

d.3.

The sum of squares due to error (SSE) equals

Select one:

a.6308.9.

b.4853.

c.373.31.

d.485.3.