Formulas for Population Standard Deviation \(\sigma=\sqrt{\frac{\Sigma(x-\mu)^{2}}{N}} \text { or } \sigma=\sqrt{\frac{\Sigma f(x \mu)^{2}}{N}} \text { or } \sigma=\sqrt{\frac{\sum_{i=1}^{N} x_{i}^{2}...Formulas for Population Standard Deviation σ=√Σ(x−μ)2N or σ=√Σf(xμ)2N or σ=√∑Ni=1x2iN−μ2F For the population standard deviation, the denominator is N, the number of items in the population.
Formulas for Population Standard Deviation \(\sigma=\sqrt{\frac{\Sigma(x-\mu)^{2}}{N}} \text { or } \sigma=\sqrt{\frac{\Sigma f(x \mu)^{2}}{N}} \text { or } \sigma=\sqrt{\frac{\sum_{i=1}^{N} x_{i}^{2}...Formulas for Population Standard Deviation σ=√Σ(x−μ)2N or σ=√Σf(xμ)2N or σ=√∑Ni=1x2iN−μ2F For the population standard deviation, the denominator is N, the number of items in the population.