About 표준 편차 계산기
표준 편차 및 분산 계산
Use this free online 수학 도구 tool to work faster without installing extra software. The interface is built for quick input, clear output, and straightforward results on desktop and mobile devices.
표준 편차 및 분산 계산
Standard Deviation
5.2372
Variance
27.4286
Additional Statistics
1. Mean (μ) = Σx / n = 144 / 8 = 18.0000
2. Deviations from mean (x - μ):
3. Squared deviations (x - μ)²:
4. Sum of squared deviations = 192.0000
5. Variance (σ²) = 192.0000 / 7 = 27.4286
6. Standard Deviation (σ) = √27.4286 = 5.2372
Data Distribution (68-95-99.7 Rule)
표준 편차 및 분산 계산
Use this free online 수학 도구 tool to work faster without installing extra software. The interface is built for quick input, clear output, and straightforward results on desktop and mobile devices.
This tool runs in your browser whenever possible, which keeps your inputs private and reduces unnecessary round-trips to the server.