Filling in Source Tables Use what you know about the relationships among the values in a source table to fill in the missing information. Then check to see if the three F ratios are significant 1. Source between groups SS df MS F rows columns 200 interaction 150 within groups Total 300 41 236- 2 33 33 F Source SS df MS between groups rows 100 2 columns 200 1 interaction) 80 2 within groups 300 25 Total