Hello, I'm doing the HarvardX: Statistics and R course and I having some problems with one of the questions and the this site is one of the suggests references to seek help.
So, the question is "Use a for loop to determine the value of ∑25i=1i2", previously I complete the swirl package "course" but I'm still having trouble with this one question.
So If anyone can help me, Please.
Thank you.

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It's unclear what you wish to sum... An equation? ...

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I don't exactly know what they want in this exercise, but the the previously exercise is "Create a numeric vector containing the numbers 2.23, 3.45, 1.87, 2.11, 7.33, 18.34, 19.23.

What is the average of these numbers?"
The answer is "7.79" but I don't think the questions are related. Any ideas?

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