Refer to the previous exercise. a. Show how to construct the F statistic for testing H0: 1

Question:

Refer to the previous exercise.
a. Show how to construct the F statistic for testing H0: β1 = β2 = 0 from the reported mean squares, report its P-value, and interpret.
b. If these are the only nations of interest to us for this study, rather than a random sample of such nations, is this significance test relevant? Explain.