Standard Deviation: 편집 역사

2025년 2월 14일 (금)

• 최신이전 09:312025년 2월 14일 (금) 09:31‎ Yun 토론 기여‎ 2,104 바이트 +2,104‎ Created page with "'''Standard Deviation''' (σ) is a statistical measure that quantifies the amount of variation or dispersion in a dataset. It indicates how spread out the data points are from the mean. ==Definition== The standard deviation is the square root of variance and is given by: *'''Population Standard Deviation (σ):''' **σ = √[(1/n) * Σ (xᵢ - μ)²] *'''Sample Standard Deviation (s):''' **s = √[(1/(n-1)) * Σ (xᵢ - x̄)²] where: *'''xᵢ''' – Each data point. *'''..." 태그: 시각 편집