6. For letters a – f, use the data in the table below to compute the correct summation score. [2 points each]
X
5
4
1
3
6
Y
7
8
a. ∑X d. ∑Y2
b. ∑Y e. (∑X)2
c. ∑X2 f. (∑Y)2
a) 28
b) 33
c) 132
d) 213
e) 784
f) 1089
