A Data Set with 7 Observed Pairs of Data (X $$\sum X$$

Multiple Choice

A data set with 7 observed pairs of data (x, y) yielded the following statistics. $$\sum X$$ =21.57 $$\sum X ^ { 2 }$$ =68.31 $$\sum Y$$ =188.9 $$\sum Y ^ { 2 }$$ =5140.23 $$\sum X Y$$ =590.83
SSE = unexplained variation = 1.06
-What is the value of SSxx?

A) 7.368
B) 8.748
C) 1.844
D) 4.745
E) 5.140