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통계학:평균 [2025/09/21 09:21] masteraccount통계학:평균 [2025/09/21 09:33] (current) masteraccount
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 모집단 평균 : μ \\ 모집단 평균 : μ \\
-$\displaystyle \mu = \frac{x_1 + \dots + x_N}{N} = \frac{1}{N} \sum_{i=1}^{N} x_i, \quad N : \text{모집단의 크기}$+$\Large \mu = \frac{x_1 + \dots + x_N}{N} = \frac{1}{N} \sum_{i=1}^{N} x_i, \quad N : \text{모집단의 크기}$
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 표본평균 : $\bar{x}$ \\ 표본평균 : $\bar{x}$ \\
-$\displaystyle \bar{x} = \frac{x_1+...+x_n}{n} = \frac{1}{n} \sum_{i=1}^{n} x_i, \quad n:\text{표본크기}$+$\Large \bar{x} = \frac{x_1+...+x_n}{n} = \frac{1}{n} \sum_{i=1}^{n} x_i, \quad n:\text{표본크기}$
  • 통계학/평균.1758446496.txt.gz
  • Last modified: 2025/09/21 09:21
  • by masteraccount