Degrees of freedom for a statistic refers to the number of that are free to vary when calculating that statistic.
A)sample statistics
B)population parameters
C)scores in the sample
D)scores in the population

Question

Quizplus · Accepted Answer

Degrees of freedom refer to the number of scores in a sample that are free to vary when calculating a statistic. The number of degrees of freedom is usually equal to the sample size minus one: df = n-1. Population parameters are fixed, so they do not have degrees of freedom. The same is true for scores in the population. Sample statistics have degrees of freedom, but they are not the best choice since they are not what the degrees of freedom actually refer to.

Degrees of Freedom for a Statistic Refers to the Number