Chapter 10.3, Problem 1TY

a.

To determine

To specify: The level of significance $\alpha$

b.

To determine

To find: The critical F-value for a right-tailed test when $\alpha =0.05$, $\text{d}\text{.f}{\text{.}}_{\text{N}}=8$ and $\text{d}\text{.f}{\text{.}}_{\text{D}}=20$.