Looking at four different diets,a researcher randomly assigned 20 equally overweight women into each of the four diets.What are the degrees of freedom for the treatments?
A)20
B)4
C)3
D)19
E)16

Question

Quizplus · Accepted Answer

The degrees of freedom for treatments is the number of groups (diets) minus 1, which in this case is 4-1=3. Therefore, the correct choice is C.

Looking at Four Different Diets,a Researcher Randomly Assigned 20 Equally