Posted by ios7 on Friday, September 20, 2013 at 2:09pm.
X X2
1 1
2 4
3. 9
5 25
8. 64
10 100
It asks me to do the
Sum of X
Sum of Squares
Sum of X squared
Can you please help me on this. I don't get it

Math  PsyDAG, Friday, September 20, 2013 at 4:47pm
∑x = 1+2+3+5+8+10 = ?
Since the only squares you show are X^2, I don't see any difference between the last two.
∑X^2 = 1+4+9+25+64+100 = ?