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Results tagged with mean
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user 4872
The expected value of a random variable; or a location measure for a sample.
3
votes
Accepted
Standard deviation of a cluster
If you prefer the circle shape, then simply given the mean $(\bar{x},\bar{y})$ and the points $(x_i,y_i)$ compute the distance $r_i = \sqrt{(\bar{x} - x_i)^2 + (\bar{y} - y_i)^2}$ and then calculate the …
- 2,729
4
votes
Accepted
Computing descriptives statistics for sites and locations based on literature search with si...
Given a set of $n$ experiments that had mean and standard error $(x_i,\sigma_i)$ we can calculate the overall mean and standard error $(x,\sigma)$ is calculated as follows:
$\sigma^2 = \frac{1}{(\sum_ … are independent and normally distributed with the same mean. …
- 2,729