Choose one variable from the Howell Excel Data Set that is a continuous variable

Choose one variable from the Howell Excel Data Set that is a continuous variable, not a categorical variable. Use the first 10 scores for that variable and conduct the following summation notations. Please show all your work:
Calculate each value requested for first 10 scores of the continuous variable you choose:
ΣX2
Σ(X + 1)
Explain how this information might help you when looking at a collection of data for a variable.