An experiment has a single factor with five groups and two values in each group. In determining the among-group variation, there are 4 degrees of freedom. In determining the within-group variation, there are 5 degrees of freedom. In determining the total variation, there are 9 degrees of freedom. Also, note that SSA equals 128 comma SSW equals 40 comma SST equals 168 comma MSA equals 32 comma MSW equals 8 comma and Upper F Subscript STAT Baseline equals 4. Complete parts (a) through (d).