The table below shows data from a study in which the experimenters randomly assigned 12 participants to three groups in equal numbers. The independent variable was method of math instruction (Methods A, B, & C) and the dependent variable was score on a math exam. What is the between-group Sum of Squares (SS)?

Mean Math Exam Scores of Participants Receiving 3 Different Methods of Instruction (i.e., A, B, & C)

	Group A	Group B	Group C
Mean	4	2	1
SD	7	7	7