An experiment has a single factor with fivefive groups and fourfour values in each group. in determining the among-group variation, there are 44 degrees of freedom. in determining the within-group variation, there are 1515 degrees of freedom. in determining the total variation, there are 1919 degrees of freedom. a. if ssaequals=8080 and sstequals=140140, what is ssw? b. what is msa? c. what is msw? d. what is the value of fstat?