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2 changes: 1 addition & 1 deletion manuscript/05_variation.md
Original file line number Diff line number Diff line change
Expand Up @@ -170,7 +170,7 @@ standard error.
* The sample variance, {$$}S^2{/$$}, estimates the population variance, {$$}\sigma^2{/$$}.
* The distribution of the sample variance is centered around {$$}\sigma^2{/$$}.
* The variance of the sample mean is {$$}\sigma^2 / n{/$$}.
* Its logical estimate is {$$}s^2 / n{/$$}.
* Its logical estimate is {$$}S^2 / n{/$$}.
* The logical estimate of the standard error is {$$}S / \sqrt{n}{/$$}.
* {$$}S{/$$}, the standard deviation, talks about how variable the population is.
* {$$}S/\sqrt{n}{/$$}, the standard error, talks about how variable averages of random
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