He 8,1

An experiment has a single factor with nine groups and ve values in each group. a. How many degrees of freedom are there in determining the among-group variation? to. How many degrees of freedom are there in determining the within-group variation? c. How many degrees of freedom are there in determining the total variation? 3. There is/are D degree(s) of freedom in determining the among-group variation. (Simplify your answer.)