19.
A video game developer is testing a new game on three different groups. Each group represents a different target market for the game. The developer collects scores from a random sample from each group. The results are shown below
| Group A | Group B | Group C |
| 98 | 151 | 105 |
| 106 | 152 | 104 |
| 100 | 159 | 199 |
| 105 | 114 | 190 |
| 115 | 128 | 155 |
What is the sum of squares total SS(Total)?
Please show all work and state the answer separately