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4. When performing an F-test, if the null hypothesis is H0: 2= 3= 0 what is the alternative hypothesis?a.) 2≠0 and 3≠0 b.) 2≠0 or 3≠0 c.) (2≠0 and 3=0) or (2=0 and 3≠0) d.) (2<0 and 3>0) or (2>0 and 3<0) Ans: bLevel: ModerateSection: 6.15. The F(1,218)distribution is equivalent to what distribution?6. What statistical test allows joint hypotheses to be tested?
7. If your computer printout includes an F-statistic and p-value for the overall model, how should you interpret the p-value?8. Why should good non-sample information be incorporated into an econometric model via restricted least squares?a.) it reduces the variance of estimated coefficients without introducing biasb.) it allows more precise hypotheses testing to be donec.) it reduces the degrees of freedom in the denominator of an F-testd.) It reduces the probability of rejecting a true null hypothesisAns: aLevel: ModerateSection: 6.2