Math

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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 -

    ∑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 = ?

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