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Measurement error is the difference between a measured value of a quantity and its true value.

1 vote

Propagation of uncertainty when summation symbol is involved

A go at it here: I'm assume all $n$'s and $d$'s are independent, and that there is no error associated with $n$. Let's assume $N=2$. $$ R = \frac{n_1d_1^3 + n_2d_2^3}{n_1d_1^2 + n_2d_2^2} $$ When …
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