easy · GMAT Quant
A financial firm tracks annual percentage returns across three regional funds. The overall total sum of squares (mathrmSST) across all 50 assets in the three funds combined is 14,800. Fund A (20 assets), Fund B (20 assets), and Fund C (10 assets) have within-group sums of squared deviations of 3,100, 2,400, and 1,800, respectively.
What is the between-group sum of squares (mathrmSSB) across the three funds?
- 7,500
- 7,300
- 22,100
- 11,700
- 5,500
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