1. In the analysis of variance F test, why is it that only the area in the upper

1. In the analysis of variance F test, why is it that only the area in the upper tail of the F distribution is of interest? 2. With reference to Table E in Appendix D, what tabulated value of F is so great that it would be exceeded in random sampling only 5% of the time when there are (a) 5 degrees of freedom in the numerator and 20 in the denominator? (b) 20 degrees of freedom in the numerator and 5 in the denominator? (c) 3 degrees of freedom in the numerator and 40 in the denominator? (d) 6 degrees of freedom in the numerator and 100 in the denominator?

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