How do you find the total sum of squared values? \sum (12)/(n = 3){r}^(2)

asked Jul 24, 2021 51.5k views

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How do you find the total sum of squared values?

$\sum (12)/(n = 3){r}^(2)$

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Answer:

Explanation:

$\sum^(12)_(r=1) r^2 = (12(12+1)(2*12+1))/(6)= A$

$\sum_(r=3)^(12)= \sum_(r=1)^(12) - (r_1+r_2)$

r_1= 1^2

r_2= 2^2

you do your math!!

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