Podcast #128: We chat with Kent C Dodds about why he loves React and discuss what life was like in the dark days before Git. Listen now.
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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.

5
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I am studying now t-scores. As far as I understand, t-scores are used when we don't know true population parameters (such as: standard deviation and population mean) and cant use z-scores. Here is for …
asked Sep 4 '14 by vasili111
15
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In book "Biostatistics for dummies" in page 40 I read: The standard error (abbreviated SE) is one way to indicate how precise your estimate or measurement of something is. and Confidence i …
asked Oct 19 '15 by vasili111
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Let's denote population by $ N $ and sample with which I want to make inference about $ N $ denote by $ n $. Let's assume I have already collected $ n $. Now I want to get means for sampling distrib …
asked Apr 15 by vasili111