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Results tagged with standard-error
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user 27366
Refers to the standard deviation of the sampling distribution of a statistic calculated from a sample. Standard errors are often required when forming confidence intervals or testing hypotheses about the population from which the statistic was sampled.
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Intuitive explanation for dividing by $n-1$ when calculating standard deviation?
Variance is simply defined as the average of the squared deviations from the mean. Accordingly, we should calculate the variance using the following formulas:
Variance of the population:
$\sigma^2= \ …
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