The sums of squares of the differences from the subject averages are 1952 for Algebra, 308 for Geometry and 600 for Statistics, adding to 2860, while the overall sum of squares of the differences from the overall average is 9640.
The sums of squares of the differences from the subject averages are 1952 for Algebra. The sums of squares of the differences from the subject averages are 308 for Geometry. The sums of squares of the differences from the subject averages are 600 for Statistics. The sums of squares of the differences from the subject averages are adding to 2860. The overall sum of squares of the differences from the overall average is 9640.