You are a personnel director and are interested in predicting the Number of Shares of Company Stock (Y) using the Number of Years Employed with the Company (X). You randomly selected 8 employees and obtain the following summary data: What is the Total Sums-of-Squares (SST)? (to the nearest whole number) EmplNum NumberShares (Y) YearsEmployed XY x² y2 (X) 1 450 6 2700 36 202500 2 415 7 2905 49 172225 3 550 8 4400 64 302500 4 520 9 4680 81 270400 5 375 10 3750 100 140625 9 640 13 8320 169 409600 7 535 14 7490 196 286225 8 615 17 10455 289 378225 SUM 4100 84 44700 984 2162300

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