For the next part of the question, it asks for the numerator and denominator df.

Question

For the next part of the question, it asks for the numerator and denominator df. I was able to figure out the numerator, but not the denominator. Please help & explain how you got your answers. I have a quiz on friday on this!

For each of the following situations, give the degrees of freedom for the group (DFG), for error (DFE), and for the total (DFT). State the null and alternative hypotheses, Ho and Ha, and give the numerator and denominator degrees of freedom for the F statistic. (a) A poultry farmer is interested in reducing the cholesterol level in his marketable eggs. He wants to compare two different cholesterol-lowering drugs added to the hen's standard diet as well as an all-vegetarian diet. He assigns 40 of his hens to each of the three treatments. DFG= 2 DFE= 37 DFT 39

Explanation / Answer

here what I think as He is assigning 40 to each treatment therfore DFE =40*3-3 =117

and DFT should be N-1 =120-1 =119

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