If You See the Notation $(\Sigma X)^{2}$ , You Should
A)sum All the Xs, Then Square the

Multiple Choice

If you see the notation $(\Sigma X) ^{2}$ , you should

A) sum all the Xs, then square the sum.
B) square all the Xs, then sum the squares.
C) sum the Xs, then divide by 2.
D) divide all the Xs by 2.