explanation please .

For the Data presented below; what is the value of SS Between-People? Mean Sub Purple (X - M) (X-M)^2 White (X - M) (X-M)^2 People O 0 0 0 73.00 75 71 1 76 1 1 74 3 9 75.00 2 3 74 -1 1 68 -3 9 71.00 78 9 72 1 1 75.00 4 3 72 -3 9 70 1 71.00 5 25 74 77.00 6 80 7 70 -5 25 68 -3 69.00 Mean Mean Grand Purple White MEAN MEAN 75 71 73.00 SS 70 38 SS SS Purple White