There are lots of steps we need to take before we can calculate the nal test statistic. let down into steps. What Is the Sum of Squares (55) between? for this one! Please round your answer to two decimal places. '5 break it See the powerpoint for the formula Okay. what's the Mean Squares Within (MSwithin)? See the powerpoint for this formula. Remember. you'll need to calculate the DF to gure this one out! l Here Is the dataset for each group. I suggest you download mum; to help you do your calculation. I Included a few calculations In the attached table to help you out. Text Message 10 9 7 10 11 B 9 12 10 4 5 6 Data table Vldeo Chat 12 15 16 18 10 18 16 17 15 14 13 14 15 12 10 Phone Convemtlon 9 8 10 7 5 12 11 10 7 8 10 5 10 10 3