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계산기

숫자 목록에서 표본·모집단 표준 편차, 분산, 평균, 합계 계산

1만 명 이상의 개발자가 사용

Enter Numbers (comma, space, or newline separated)

8 numbers detected

Count (n)8

Sum40.0000

Mean (μ)

5.0000

Sample Std Dev (s)

2.1381

Population Std Dev (σ)

2.0000

Variance (σ²)4.0000

Sample Std Dev: s = √(Σ(x - μ)² / (n - 1))

Population Std Dev: σ = √(Σ(x - μ)² / n)

Variance: σ² = Σ(x - μ)² / n