Question

The estimate of the variance of residuals in multiple regression model involving k regressors is given by:
a) $\frac{SS_{Res}}{n-k-1}$
b) $\frac{SS_{Res}}{n-1}$
c) $\frac{SS_{R}}{n-k}$
d) $\frac{SS_{r}}{n-(k-1)}$

Answer 1

Right answer is Option B

Answer 2

The estimate of the variance of residuals in multiple regression model involving k regressors is given by:

a) $\frac{SS_{Res}}{n-k-1}$

b) $\frac{SS_{Res}}{n-1}$✔✔✔

c) $\frac{SS_{R}}{n-k}$

d) $\frac{SS_{r}}{n-(k-1)}$