Using a significance level of 5%, test the hypothesis that the four magazine types have the same mean length. Give the following:
1. Null and Alternative Hypotheses.
2. df(n) = ______ df(d) = _______
3. F-statistic = __________
4. P-value = ___________
5. F-critical = __________
6. Decision: ___________
7. Conclusion: __________
