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  1. 홈
  2. 계산기
  3. 계산기: 확률/통계
  4. 확률/통계 계산기

Z-점수 계산기

단계별로 z-점수를 계산하세요

이 계산기는 비표준화 값과 모집단의 평균 및 표준편차가 주어지면 z-점수(표준화 점수)를 단계별 풀이와 함께 구합니다.

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Population mean: $$$\mu=$$$

Population standard deviation: $$$\sigma=$$$

Value: $$$x=$$$

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Solution

Your input: find the z-score of $$$x=2$$$ with $$$\mu = \frac{3}{2}$$$ and $$$\sigma = \frac{2}{5}$$$.

Z-score is calculated according to the following formula:

$$$z=\frac{x-\mu}{\sigma}=\frac{2-\frac{3}{2}}{\frac{2}{5}}=\frac{5}{4}$$$.

Answer: the z-score is $$$z=\frac{5}{4}=1.25$$$.


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