c:ms:2019:schedule:week03
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— | c:ms:2019:schedule:week03 [2019/03/25 08:04] (current) – created hkimscil | ||
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+ | ====== Week 3 내용 ====== | ||
+ | ===== Central Tendency ===== | ||
+ | * Central Tendency (집중경향) | ||
+ | * Dispersion (variability) -- 분산(변산성) | ||
+ | * [[:range]] | ||
+ | * [[: | ||
+ | * [[: | ||
+ | * 표본변량 $ s^2 $ | ||
+ | * 모집단변량(전집) $ \sigma^2 $ | ||
+ | * [[:Standard Deviation]] 표준편차 | ||
+ | * Variance calculation formula | ||
+ | * {{anchor: | ||
+ | * $ \displaystyle \sigma_x^2 = \displaystyle \frac {\Sigma X^2 - \frac{(\Sigma X)^2}{N} } {N} = \displaystyle \frac {\Sigma X^2}{N} - \frac {(\Sigma X)^2}{N^2} = \displaystyle \frac {\Sigma X^2}{N} - \bigg(\frac {\Sigma X}{N}\bigg)^2 = \displaystyle \frac {\Sigma X^2}{N} - \mu^2 $ | ||
+ | * [[:Degrees of Freedom]] N-1 | ||
+ | * [[:Why n-1]] | ||
+ | ===== Sampling Distribution, | ||
+ | * [[: | ||
+ | * [[:Sampling Distribution]] | ||
+ | * [[:Central Limit Theorem]] | ||
+ | * [[:Standard Error]] | ||
+ | ===== CLT에 관한 정리 ===== | ||
c/ms/2019/schedule/week03.txt · Last modified: 2019/03/25 08:04 by hkimscil